Inventor · disambiguated record
Katsunori Hama
Also filed as: HAMA KATSUNORI
4 granted patents·504 citations·filing 1990–1994
84Inventor score
Technology areasA47C
Top patents by PatentIndex Score
4 records- 0192US5582459AChair having tiltable seat backITOKI CREBIO CORP·Filed 1994·Granted Dec 10, 1996·142 cites·13 claims
- 0292US5080318ATilting control assembly for chairITOKI KOSAKUSHO·Filed 1990·Granted Jan 14, 1992·146 cites·19 claims
- 0391US5348372ATilting control assembly for chairITOKI CREBIO CORP·Filed 1992·Granted Sep 20, 1994·116 cites·10 claims
- 0489US5224758ATilting control assembly for chairITOKI CREBIO CORP·Filed 1990·Granted Jul 6, 1993·100 cites·9 claims
Join the waitlist — get patent alerts
Get an alert when Katsunori Hama files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →