Inventor · disambiguated record
Takahiko Ishiwatari
Also filed as: ISHIWATARI TAKAHIKO
7 granted patents·143 citations·filing 1984–1992
87Inventor score
Files withCANON KK7
Top patents by PatentIndex Score
7 records- 0184US4931692ALuminescing member, process for preparation thereof, and electroluminescent device employing sameCANON KK·Filed 1988·Granted Jun 5, 1990·38 cites·49 claims
- 0282US4658388AOptical recording medium which includes a corrosion resistant film of a mixture of a carbide and a nitrideCANON KK·Filed 1985·Granted Apr 14, 1987·27 cites·11 claims
- 0380US4906894APhotoelectron beam converting device and method of driving the sameCANON KK·Filed 1989·Granted Mar 6, 1990·25 cites·2 claims
- 0477US5270990ATracking error signal detecting apparatus using an electron beam and apparatus for effecting recording/reproduction of information by the utilization of a plurality of electron beamsCANON KK·Filed 1992·Granted Dec 14, 1993·26 cites·38 claims
- 0560US4777068AOptical recording mediumCANON KK·Filed 1985·Granted Oct 11, 1988·17 cites·24 claims
- 0648US4906833AElectron beam information exchange apparatus with converting light signalsCANON KK·Filed 1988·Granted Mar 6, 1990·6 cites·24 claims
- 0743US4734334AMagneto-optical recording mediumCANON KK·Filed 1984·Granted Mar 29, 1988·4 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →