Inventor · disambiguated record
Hirofumi Koyama
Also filed as: KOYAMA HIROFUMI
3 granted patents·65 citations·filing 1995–2021
69Inventor score
Top patents by PatentIndex Score
3 records- 0181US6556234B1Method for personalizing a data storage mediumTHOMSON LICENSING SA·Filed 1998·Granted Apr 29, 2003·49 cites·11 claims
- 0252US12110647B2Bag body and method for producing bag bodyKAJIMA CORP·Filed 2021·Granted Oct 8, 2024·0 cites·7 claims
- 0346US5953145AMultiple light path arrangementTHOMSON CONSUMER ELECTRONICS·Filed 1995·Granted Sep 14, 1999·16 cites·4 claims
Join the waitlist — get patent alerts
Get an alert when Hirofumi Koyama 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 →