Inventor · disambiguated record
Shigehiro Chaen
Also filed as: CHAEN SHIGEHIRO
7 granted patents·2 pending applications·72 citations·filing 1975–2012
84Inventor score
Top patents by PatentIndex Score
9 records- 0181US6846471B2Catalyst for decomposing nitrous oxide, process for producing the same and method for decomposing nitrous oxideSHOWA DENKO KK·Filed 2001·Granted Jan 25, 2005·32 cites·45 claims
- 0276US7235222B2Process for treating waste anesthetic gasSHOWA DENKO KK·Filed 2001·Granted Jun 26, 2007·21 cites·21 claims
- 0368US9567875B2Power generation apparatus, power generation method, decomposition-gas turbine and decomposition-gas boilerCHAEN SHIGEHIRO·Filed 2012·Granted Feb 14, 2017·4 cites·16 claims
- 0464US7597858B2Process and apparatus for treating waste anesthetic gasSHOWA DENKO KK·Filed 2005·Granted Oct 6, 2009·2 cites·8 claims
- 0556US4959451ANovel diallyl terephthalate prepolymer and method for preparing itSHOWA DENKO KK·Filed 1989·Granted Sep 25, 1990·10 cites·8 claims
- 0640US2006008401A1Decomposition catalyst for nitrous oxide, process for producing the same and process for decomposing nitrous oxideSHOWA DENKO KK·Filed 2005·Application pending·0 cites
- 0736US2003181324A1Decomposition catalyst for nitrous oxide, prcocess for producing the same and process for decomposing nitrous oxideFiled 2002·Application pending·0 cites
- 0835US4039577AProcess for preparing phenylisopropylurea derivativesSHOWA DENKO KK·Filed 1975·Granted Aug 2, 1977·1 cites·4 claims
- 0934US5003020ADiallyl terephthalate prepolymer and process for producing seamSHOWA DENKO KK·Filed 1988·Granted Mar 26, 1991·2 cites·5 claims
Join the waitlist — get patent alerts
Get an alert when Shigehiro Chaen 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 →