Inventor · disambiguated record
Keiichi Ohishi
Also filed as: OHISHI KEIICHI
6 granted patents·92 citations·filing 1992–2005
82Inventor score
Technology areasH01J
Files withHAMAMATSU PHOTONICS KK6
Top patents by PatentIndex Score
6 records- 0177US5598061APhotomultiplierHAMAMATSU PHOTONICS KK·Filed 1995·Granted Jan 28, 1997·31 cites·6 claims
- 0277US5442179APhotomultiplier assembly and gamma camera headHAMAMATSU PHOTONICS KK·Filed 1993·Granted Aug 15, 1995·37 cites·21 claims
- 0369US7492097B2Electron multiplier unit including first and second support members and photomultiplier including the sameHAMAMATSU PHOTONICS KK·Filed 2005·Granted Feb 17, 2009·2 cites·22 claims
- 0467US5371435APhotoelectron emitting device having a photocathode made of photoelectric materialHAMAMATSU PHOTONICS KK·Filed 1992·Granted Dec 6, 1994·18 cites·9 claims
- 0551US7495392B2Electron multiplier unit including first and second support members and photomultiplier including the sameHAMAMATSU PHOTONICS KK·Filed 2005·Granted Feb 24, 2009·0 cites·23 claims
- 0636US5189338APhotomultiplier tube having reduced tube lengthHAMAMATSU PHOTONICS KK·Filed 1992·Granted Feb 23, 1993·4 cites·8 claims
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