Hama Okamoto

Hama Okamoto uses the Fender Hama Okamoto Katana Bass, which was specifically designed as his signature model according to an interview with him on FenderNews by Matsubara Kentaro.

Hama Okamoto uses his signature bass, the Fender Hama Okamoto Precision Bass "#4," as confirmed in an interview with FenderNews.

Hama Okamoto is seen with a Fender Jazz Bass in a feature in Ginza Magazine, as documented in an Instagram post by @hama_okamoto.

Hama Okamoto is seen playing a Music Man Stingray bass in a recent Instagram photo by kisekimichiko, where he mentions actively using it.

Hama Okamoto is seen using a Hofner Ignition Violin Bass in a photo posted on his Instagram account.

Hama Is seen using American Showster AS-57 Bel air bass

Hama Okamoto uses a Fender American Professional Precision Bass, as evidenced by a post on his Instagram account, where he is seen holding the bass and mentions its upcoming release in a new color.

At 1:10 you can clearly see (as you can throughout the entire video) that Hama Okamoto is playing a 1985 Fender Performer bass

At the 0:57 mark of the official music video for "ありがとう" by OKAMOTO'S, Hama Okamoto is shown playing a Fender JP-90, as published on the OKAMOTO'S Official YouTube Channel!