Inventor · disambiguated record
Keiichi Negishi
Also filed as: NEGISHI KEIICHI
4 granted patents·1 pending application·158 citations·filing 1999–2004
81Inventor score
Top patents by PatentIndex Score
5 records- 0174US7042488B2Electronic endoscope for highlighting blood vesselFUJINON CORP·Filed 2002·Granted May 9, 2006·70 cites·3 claims
- 0270US6459447B1Video signal transmission deviceFUJI PHOTO OPTICAL CO LTD·Filed 1999·Granted Oct 1, 2002·43 cites·4 claims
- 0359US6956602B2Electronic endoscope for highlighting blood vesselFUJINON CORP·Filed 2002·Granted Oct 18, 2005·19 cites·9 claims
- 0459US6618502B1Color image processing method and apparatusFUJI PHOTO OPTICAL CO LTD·Filed 1999·Granted Sep 9, 2003·26 cites·4 claims
- 0545US2004263645A1Sequential scan imaging deviceFUJI PHOTO OPTICAL CO LTD·Filed 2004·Application pending·0 cites
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