Inventor · disambiguated record
Hirofumi Ishiyama
Also filed as: ISHIYAMA HIROFUMI
2 granted patents·1 pending application·4 citations·filing 2001–2009
47Inventor score
Technology areasY10T
Files withNIKON CORP3
Top patents by PatentIndex Score
3 records- 0165US7931833B2Resin-cemented optical element, mold therefor, fabrication process thereof, and optical articleNIKON CORP·Filed 2009·Granted Apr 26, 2011·4 cites·10 claims
- 0241US7622181B2Resin-cemented optical element, mold therefor, fabrication process thereof, and optical articleNIKON CORP·Filed 2005·Granted Nov 24, 2009·0 cites·10 claims
- 0334US2002064575A1Resin-cemented optical element, mold therefor, fabrication process thereof, and optical articleNIKON CORP·Filed 2001·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Hirofumi Ishiyama 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 →