Inventor · disambiguated record
Kouichi Hirayama
Also filed as: HIRAYAMA KOUICHI
2 granted patents·2 pending applications·274 citations·filing 1998–2008
66Inventor score
Top patents by PatentIndex Score
4 records- 0196US6490683B1Optical disk having electronic watermark, reproducing apparatus thereof and copy protecting method using the sameTOSHIBA KK·Filed 1998·Granted Dec 3, 2002·270 cites·22 claims
- 0245US6873999B2Maintenance information management server maintenance information management system using the same, as well as method of managing maintenance informationRENESAS TECH CORP·Filed 2002·Granted Mar 29, 2005·4 cites·9 claims
- 0342US2009061247A1Aqueous resin composition, aqueous coating composition and coating method for plastic molded articlesCHINO YOSHIAKI·Filed 2008·Application pending·0 cites
- 0438US2003138936A1Spray-dried microbial cellsFiled 2001·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →