Inventor · disambiguated record
Osamu Sekizawa
Also filed as: SEKIZAWA OSAMU
4 granted patents·1 pending application·9 citations·filing 2006–2011
65Inventor score
Top patents by PatentIndex Score
5 records- 0185US8820122B2Titania-doped quartz glass and making methodMAIDA SHIGERU·Filed 2011·Granted Sep 2, 2014·6 cites·10 claims
- 0269US7827824B2Synthetic quartz glass substrate for excimer lasers and making methodSHINETSU CHEMICAL CO·Filed 2007·Granted Nov 9, 2010·3 cites·5 claims
- 0359US7954340B2Synthetic quartz glass substrate for excimer lasers and making methodSHINETSU CHEMICAL CO·Filed 2009·Granted Jun 7, 2011·0 cites·4 claims
- 0456US2007049482A1Synthetic quartz glass substrate for excimer lasers and making methodSHINETSU CHEMICAL CO·Filed 2006·Application pending·0 cites
- 0547US8596095B2Manufacture of synthetic quartz glass ingot and synthetic quartz glass memberOTSUKA HISATOSHI·Filed 2007·Granted Dec 3, 2013·0 cites·6 claims
Join the waitlist — get patent alerts
Get an alert when Osamu Sekizawa 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 →