Inventor · disambiguated record
Hajime Takeyama
Also filed as: TAKEYAMA HAJIME
3 granted patents·42 citations·filing 2003–2005
71Inventor score
Technology areasG02B
Files withHAMAMATSU PHOTONICS KK3
Top patents by PatentIndex Score
3 records- 0184US7486846B2Optical transmitting /receiving moduleHAMAMATSU PHOTONICS KK·Filed 2005·Granted Feb 3, 2009·18 cites·8 claims
- 0281US7433554B2Optical wiring board and method for manufacturing optical wiring boardHAMAMATSU PHOTONICS KK·Filed 2005·Granted Oct 7, 2008·13 cites·8 claims
- 0364US6880985B2Optical moduleHAMAMATSU PHOTONICS KK·Filed 2003·Granted Apr 19, 2005·11 cites·7 claims
Join the waitlist — get patent alerts
Get an alert when Hajime Takeyama 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 →