Inventor · disambiguated record
Katsuyuki Yamaguchi
Also filed as: YAMAGUCHI KATSUYUKI
11 granted patents·170 citations·filing 1997–2009
91Inventor score
Top patents by PatentIndex Score
11 records- 0181US6466522B1Indicating plate for watchesCITIZEN WATCH CO LTD·Filed 1997·Granted Oct 15, 2002·36 cites·57 claims
- 0278US6538959B1Display plate for timepieces and method for fabricating the sameCITIZEN WATCH CO LTD·Filed 1998·Granted Mar 25, 2003·32 cites·39 claims
- 0375US6518493B1Display device for electronic apparatus comprising solar cellCITIZEN WATCH CO LTD·Filed 2000·Granted Feb 11, 2003·39 cites·53 claims
- 0474US6466855B2Vehicle speed estimating apparatus and method and vehicular control apparatus and methodTOYOTA MOTOR CO LTD·Filed 2001·Granted Oct 15, 2002·13 cites·24 claims
- 0573US8243556B2Display plate for solar cell apparatus and method of producing display plate for solar cell apparatusYAMAGUCHI KATSUYUKI·Filed 2005·Granted Aug 14, 2012·7 cites·56 claims
- 0670US8758884B2Instrument display board and process for producing instrument display boardHIROE SEIICHI·Filed 2006·Granted Jun 24, 2014·8 cites·20 claims
- 0767US7242641B2Timepiece dial and production method thereforCITIZEN WATCH CO LTD·Filed 2001·Granted Jul 10, 2007·16 cites·20 claims
- 0865US8446671B2Display panel and apparatus provided with the sameOMATA TERUYUKI·Filed 2007·Granted May 21, 2013·5 cites·7 claims
- 0950US8788171B2Sensor drift amount estimating deviceONO EIICHI·Filed 2009·Granted Jul 22, 2014·1 cites·23 claims
- 1049US8457832B2Vehicle body speed estimating deviceONO EIICHI·Filed 2008·Granted Jun 4, 2013·3 cites·8 claims
- 1137US6240354B1Internal combustion engine control apparatusTOYOTA MOTOR CO LTD·Filed 1999·Granted May 29, 2001·10 cites·22 claims
Join the waitlist — get patent alerts
Get an alert when Katsuyuki Yamaguchi 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 →