Inventor · disambiguated record
Masami Emoto
Also filed as: EMOTO MASAMI
14 granted patents·192 citations·filing 1975–2000
93Inventor score
Top patents by PatentIndex Score
14 records- 0186US5070494AOptical pickup device with dual-mode drive mechanismRICOH KK·Filed 1989·Granted Dec 3, 1991·38 cites·8 claims
- 0279US5073888AOptical pickup deviceRICOH KK·Filed 1989·Granted Dec 17, 1991·25 cites·7 claims
- 0377US5694385AOptical pickup apparatusRICOH COMANY LTD·Filed 1994·Granted Dec 2, 1997·20 cites·12 claims
- 0473US5025438ARecording and reproducing optical information device which converts the first beam into a second beam having different light intensity distributionRICOH KK·Filed 1990·Granted Jun 18, 1991·22 cites·6 claims
- 0572US5815473AOptical pickup device for detecting tracking error of optical disks with different track pitchesRICOH KK·Filed 1996·Granted Sep 29, 1998·25 cites·9 claims
- 0665USRE40414EOptical pickup apparatusRICOH KK·Filed 2000·Granted Jul 1, 2008·4 cites·23 claims
- 0762US4684799AFocus detection method involving cutting more than half of light beam reflected from discRICOH KK·Filed 1986·Granted Aug 4, 1987·13 cites·9 claims
- 0853US5337302AOptical data recording/reproduction apparatus for use with semiconductor lasers as a light sourceRICOH KK·Filed 1993·Granted Aug 9, 1994·9 cites·3 claims
- 0953US4052127ADeveloping systemRICOH KK·Filed 1975·Granted Oct 4, 1977·8 cites·10 claims
- 1052US5870370AOptical pickup apparatusRICOH KK·Filed 1997·Granted Feb 9, 1999·7 cites·14 claims
- 1150US4687916AOptical pick-up device for both focus and error tracking detectionRICOH KK·Filed 1985·Granted Aug 18, 1987·8 cites·8 claims
- 1246US4636625AMethod and device for detecting focal pointRICOH KK·Filed 1985·Granted Jan 13, 1987·7 cites·3 claims
- 1342US4683559AOptical pickup with a two-detector arrangementRICOH KK·Filed 1984·Granted Jul 28, 1987·4 cites·10 claims
- 1433US4436415AExposure process for use in a variable magnification copying machineRICOH KK·Filed 1981·Granted Mar 13, 1984·2 cites·24 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →