Inventor · disambiguated record
Hideo Inuzuka
Also filed as: INUZUKA HIDEO · UMEHARA MASAAKIRA
7 granted patents·185 citations·filing 1977–1996
87Inventor score
Files withRICOH KK7
Top patents by PatentIndex Score
7 records- 0195US4162843AColor electrostatic copying machineRICOH KK·Filed 1977·Granted Jul 31, 1979·65 cites·13 claims
- 0290US5086422AOptical disk apparatusRICOH KK·Filed 1990·Granted Feb 4, 1992·64 cites·11 claims
- 0369US5892747ADisk drive unit with a dustproof cap attached to a body module to protect internal components from dustRICOH KK·Filed 1996·Granted Apr 6, 1999·23 cites·26 claims
- 0462US4684799AFocus detection method involving cutting more than half of light beam reflected from discRICOH KK·Filed 1986·Granted Aug 4, 1987·13 cites·9 claims
- 0550US4687916AOptical pick-up device for both focus and error tracking detectionRICOH KK·Filed 1985·Granted Aug 18, 1987·8 cites·8 claims
- 0647US5668793ADisk cartridge driving apparatusRICOH KK·Filed 1996·Granted Sep 16, 1997·8 cites·13 claims
- 0742US4683559AOptical pickup with a two-detector arrangementRICOH KK·Filed 1984·Granted Jul 28, 1987·4 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →