Inventor · disambiguated record
Tetsuo Udagawa
Also filed as: UDAGAWA TETSUO
9 granted patents·1 pending application·235 citations·filing 1987–2005
90Inventor score
Top patents by PatentIndex Score
10 records- 0182US6558117B1Variable displacement turbo superchargerHITACHI LTD·Filed 2000·Granted May 6, 2003·42 cites·18 claims
- 0276US5825480AObserving apparatusFUJI PHOTO OPTICAL CO LTD·Filed 1996·Granted Oct 20, 1998·67 cites·7 claims
- 0372US4810087APortable microfilm readerFUJI PHOTO FILM CO LTD·Filed 1988·Granted Mar 7, 1989·12 cites·2 claims
- 0469US6082341ASupercharger for engineHITACHI LTD·Filed 1998·Granted Jul 4, 2000·23 cites·11 claims
- 0567US6793468B2Turbo-charger for internal-combustion engineHITACHI LTD·Filed 2002·Granted Sep 21, 2004·25 cites·4 claims
- 0665US6636255B1Three-dimensional image scanner and heat-insulating device for optical apparatusFUJI PHOTO OPTICAL CO LTD·Filed 1999·Granted Oct 21, 2003·26 cites·8 claims
- 0758US4810086APortable microfilm readerFUJI PHOTO FILM CO LTD·Filed 1987·Granted Mar 7, 1989·7 cites·16 claims
- 0857US5798863AImage stabilized optical systemFUJI PHOTO OPTICAL CO LTD·Filed 1995·Granted Aug 25, 1998·22 cites·20 claims
- 0942US2005197529A1Endoscopic mouthpieceFUJINON CORP·Filed 2005·Application pending·0 cites
- 1040US6002379AGlass unitFUJI PHOTO OPTICAL CO LTD·Filed 1996·Granted Dec 14, 1999·11 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →