Inventor · disambiguated record
Katsumi Sugaya
Also filed as: SUGAYA KATSUMI
6 granted patents·66 citations·filing 1999–2009
82Inventor score
Top patents by PatentIndex Score
6 records- 0191US7170237B2Device for operation of a high pressure discharge lampUSHIO ELECTRIC INC·Filed 2005·Granted Jan 30, 2007·26 cites·9 claims
- 0286US7446482B2High pressure discharge lamp lighting apparatusUSHIO ELECTRIC INC·Filed 2007·Granted Nov 4, 2008·12 cites·7 claims
- 0376US6815892B2Discharge lamp with metal oxide coatingUSHIO ELECTRIC INC·Filed 2002·Granted Nov 9, 2004·13 cites·9 claims
- 0472US7439691B2High pressure discharge lamp lighting deviceUSHIO ELECTRIC INC·Filed 2007·Granted Oct 21, 2008·6 cites·8 claims
- 0550US6597114B1Lamp and lamp package made of functionally gradient materialUSHIO ELECTRIC INC·Filed 1999·Granted Jul 22, 2003·9 cites·5 claims
- 0645US8558480B2Driving method of light source apparatus for projectorSUGAYA KATSUMI·Filed 2009·Granted Oct 15, 2013·0 cites·21 claims
Join the waitlist — get patent alerts
Get an alert when Katsumi Sugaya 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 →