Hama Okamoto
Hama Okamoto is a bass guitarist and member of the rock band Okamoto's from Tokyo. He is represented with the agency Sony Music Artists. He is the eldest son of Downtown's Masatoshi Hamada and actress Natsumi Ogawa.
Also recorded as Ikumi Hamada · Hamada Ikumi
Hama Okamoto
- Name
- Hama Okamoto
- Birth Name
- Ikumi Hamada
- Born
- 12 March 1991
- Birthplace
- Tokyo, Japan
- Occupation
- Bassist
- Full name
- 濵田 郁未.
- Nationality
- Japan.
- Fields
- funk.
- Education
- Wakō Gakuen.
- Languages
- Japanese.
VALÉORINE Encyclopedia
VALÉORINE documentary reading
Documentary summary
Hama Okamoto is a bass guitarist and member of the rock band Okamoto's from Tokyo. He is represented with the agency Sony Music Artists. He is the eldest son of Downtown's Masatoshi Hamada and actress Natsumi Ogawa.
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Note VALÉORINE
Hama Okamoto (born 1991) is a Japanese bassist and musician. The bassist was born 濵田 郁未 in Tokyo.
Hama Okamoto studied at Wakō Gakuen. The bassist is a member of Okamoto's.
Genres include funk. Languages used include Japanese.
Composed from admitted, traceable facts · 01 October 2026
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Documentary evidence
Documentary basis
Authority files
wikidata · Q11326705 · wikipedia · Hama Okamoto
In this article
Biography
Biography
His real name is Ikumi Hamada.
Key facts
Key facts
• Name — Hama Okamoto • Native Name — ハマ・オカモト • Birth Name — Ikumi Hamada • Born — 12 March 1991 • Birthplace — Tokyo, Japan • Genre — Funk rock • Occupation — Bassist • Instrument — * Bass guitar • fretless bass • Label — Ariola Japan • Current Member Of — Okamoto's Hama Okamoto is a bass guitarist and member of the rock band Okamoto's from Tokyo. He is represented with the agency Sony Music Artists. He is the eldest son of Downtown's Masatoshi Hamada and actress Natsumi Ogawa. His real name is Ikumi Hamada.
Equipment used
Equipment used
• Fender Precision Bass made in 1968. • Paddle peg which was adopted for only a few years from 66 years onboard. • American Shawstar AS-57 • Made in the 1990s, the shield jack part glows like a tail lamp of an American car. • Honey JET68-B • Has an inspired inspiration from Echo rocket base • Fender Precision Bass Hama Okamoto Model #4 • Fender Squier Katana made in 1985
Productions
Productions
• Date — Artist — Recording — Notes • 12 Nov 2014 — Rina Sumioka — Namida Biyori, Colorful Monochrome "watchword" — Sound producer • 3 Dec 2014 — Charan-Po-Rantan — Workaholic "Theater Theater" — Sound producer with Ucary & The Valentine • 24 May 2016 — Negicco — SNS o Buttobase "Tea for Three" — Producer • 15 Mar 2017 — Kayoko Yoshizawa — Utopia "Yaneura-jū" — Sound producer; recording members were Tomotaka Imamichi (Hitosarai/Barbee Boys; G. Guitar), Hama Okamoto (B. Bass), Keisuke Okamoto (Kuroneko Chelsea; P. Piano), Hiroko Sebu (P. Piano), Team Mio Okamura (S. Strings) • 22 Mar 2017 — Charisma.com — classic glasses "not not me" — Sound producer
Live support
Live support
• Yo-King • Hiroshi Fujiwara • Magokoro Brothers • Shigeru Suzuki×Ino Hidefumi • Gen Hoshino • The Bawdies • Tamio Okuda • Kayoko Yoshizawa
TV programmes
TV programmes
• Dates — Title — Network — Notes — Ref. • 30 Oct 2014 – — Big Audio Dynamite — Space Shower TV — Irregular broadcasts; in charge of music programme, MC focused on the band's rhythm corps • 9, 16 Jan 2015 — Tamori Club — EX — * "Aurora Awards! 2015" Judge and Guest * 18 Mar 2016 – "Hebirote at the Musical Instrument Department! Trial Playing Ranking" * 31 Mar 2017 – "It's Beautiful! Feel Good!! All Japan One Touch Championship" — | • 31 Mar 2015 – — Full Chorus: Ongaku wa Full Chorus — BS Sukapā! — MC in charge with Becky • 5 Jun 2015 – — Music Station — EX — * First appearance in his own band Okamoto's * 23 Sep 2015, Ultra Fes - As a member of Ringo Sheena's back band * 25 Dec 2015, Super Live - As a member of Gen Hoshino's back band — | • 28 Feb 2016 — Sky PerfecTV! Music Festival — BS Sukapā! — Main charge MC; sub MC, Shiori Tamai (Momoiro Clover Z) • 5 Aug 2016 — Musica Piccolyno — NHK E — Appears as electric base expert "Signoré Hammer" • 18 Oct 2016 — Utacon — NHK G — Collaborated with Sayuri Ishikawa and AyaBambi; showed off the drunk weather with George Yanagi • Shakiin! — NHK E • 31 May 2017 — Shosuke Tanihara no 25-ji gohan — TBS
Radio programmes
Radio programmes
• Title — Network • Music Freaks — FM802 • Radipedia — J-Wave • Rock With You
Others
Others
• Artist — Recording — Notes • Negicco — "Sunshine Nihonkai" — In charge of band comment on regular board
Participating recordings
• 2009 • Date — Artist — Recording • 2 Dec — bRIAN Shinsekai — Eikō no Rockstar –Oretachi wa Lockstar nanda!– "Senkō Riot 2009" • 2010 • Date — Artist — Recording • 9 Jun — Band A — girl's end "girl's end" • 29 Sep — Gota & Kamui Supporters — Possible "Kamui "F1 Driver 'Kamui Kobyashi' Support Theme" • SMA All Stars — Best Hit SMA –Song Meets Audience– • 2011 • Date — Artist — Recording • 2 Feb — Miyavi — What's My Name? feat. Hama Okamoto (from Okamoto's) "What's My Name? e.p." • 14 Dec — Asako Toki — heartbeat "Best! 2004-2011" • 2012 • Date — Artist — Recording • 8 Feb — Gen Hoshino — Moshimo, Ranshi "Film" • 25 Apr — Magokoro Brothers — Amenbo "Keep on travelin" • 4 Jul — Gen Hoshino — Kanata "Yume no Soto e" • 20 Nov — Masatoshi Hamada — Switch Furoku CD "Love Letter" • 28 Nov — Gen Hoshino — Kisetsu "Shiranai" • 2013 • Date — Artist — Recording • 30 Jan — Rina Sumioka — Harenohi "Harenohi" • 8 May — Akai Kutsu — Hirninal Rain "Inorimasu no Mori" • Gen Hoshino — Dust "Gag" • 29 May — Magokoro Brothers — Kienai E • 16 Oct — Hiroshi Fujiwara — solfa, f.o. Hoka "manners" • 6 Nov — Momoiro Clover Z — Gounn "Gounn" • 13 Nov — Rip Slyme — Sly "Sly" • 23 Dec — Rina Sumioka — We Are Never Ever Getting Back Together • 2014 • Date — Artist — Recording • 26 Feb — Kana Hanazawa — last contrast "25" • 11 Jun — Glim Spanky — Shōsō, Midnight Circus "Shōsō" • Gen Hoshino — Crazy Crazy, Night Troop "Crazy Crazy/Sakura no Mori" • 23 Jun — Tortoise Matsumoto — "Wā'!/Chalida" • 25 Jun — The Bawdies — Live At Billboard Live 20140317 *Shokai Gentei-ban Bonus Track "Nice And Slow / Come On" • 12 Nov — Rina Sumioka — Namida Biyori, Colorful Monochrome "watchword" • 3 Dec — Charan-Po-Rantan — Workaholic "Theater Theater" • 2015 • Date — Artist — Recording • 21 Jan — Bomi — Getsuyō no Melancholy, Matataku Speed de "Born In The U.S.A." • 8 Mar — Ucari & The Valentine — I'm In Love With You "New Dance" • 13 May — Mashimaro — "Garan to shi teru" • 22 May — Char — Tokio Drive "Rock Jū" • 27 May — Gen Hoshino — Sun "Sun" • 24 Jun — Hey! Say! JUMP — Disco Jockey!!! -Bonus Tracks- "Jumping Car" • Puffy AmiYumi — Colorful Wave Surfers, Coco Hawaii • 16 Sep — sébuhiroko — Lost Highway "Wonderland" • 28 Oct — Aki Yashiro — Give You What You Want "Aiuta" • Miyavi — Express It "Citizen Attesa 2015 no CM Song" • 2 Dec — Gen Hoshino — Week End, Tokiyo "Yellow Dancer" • 2016 • Date — Artist — Recording • 17 Feb — Momoiro Clover Z — Mahoro Vacation "Hakkin no Yoake" • 20 Apr — Shiritsu Ebisu Chugaku — Acne "Ana Sora" • 6 Jul — Ken Hirai — Kyōi no Bonsai "The Still Life" • 3 Aug — Kayoko Yoshizawa — Avocado feat. Ichiyo Izawa " to Utsukushī Hito-tachi" • 28 Sep — Kyoko — Ikasama Binanshi feat. Linda "Ikasama Binanshi feat. Linda / Magenta Butterfly" • 5 Oct — Gen Hoshino — Koi, Drinking Dance "Koi" • 2017 • Date — Artist — Recording • 8 Feb — Miyu Koike — Koisuru Futari wa, Hitorigoto "Koisuru Futari wa" • 15 Feb — Hana Sekitori — Moshimo Boku ni, Heibon na Mainichi "Kimi ni yoku Nita Hito ga iru" • 15 Mar — Kayoko Yoshizawa — Utopia "Yaneura-jū" • 22 Mar — Charisma.com — classic glasses "not not me" • Onigawara — Hit Chart o Nerae! "Hit Chart o Nerae!" • 12 Apr — Ai Otsuka — Hey! Bear "Love Honey" • 17 May — Juon — my girl • 21 Jun — T.N.C • 16 Aug — Gen Hoshino — Purin "Family Song"
Primary material
Documents and archives
reference work
- “Hama Okamoto”, English Wikipedia, consulted as further reading
Reputable secondary · Wikipedia
authority record
- Wikidata, structured authority record Q11326705: Hama Okamoto
General reference · Wikidata
Related bands
Notes from the source article
Cited by Wikipedia
Notes from the source article
These works are cited by the source article, in its own numbering. They are recorded as its citations, not as sources VALÉORINE has verified.
- 1.OKAMOTO'S Official Website.
- 2.Fender Precision Bass® hama_okamoto Model #4.
- 3.EdBUSインタビュー_下北沢GARAGE.
- 4.ハマ・オカモト、『タモリ倶楽部』の「空耳アワード！2015」に出演決定. Ro69. 16 Dec 2014.
- 5.Originally planned MC with Becky, but after Becky's irrational disturbance self-restrained performing arts activities, it was suddenly changed due to plunging the same programme.
References
Citations
References
Each reference names the institution holding it, so a reader may go to the document itself.
reference work
Secondary witnessauthority record
General reference
The Encyclopedia exists whether or not anything is for sale. Corrections are recorded rather than overwritten, and every version of this record is kept. Published 18 August 2026.
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