Inventor · disambiguated record
Ryuichi Negishi
Also filed as: NEGISHI RYUICHI
9 granted patents·2 pending applications·316 citations·filing 1987–2010
91Inventor score
Files withCANON DENSHI KK5MATSUSHITA GRAPHIC COMMUNIC2CANON KK1COMPAQ COMPUTER CORP1YAMADA MFG CO LTD1
Top patents by PatentIndex Score
11 records- 0193US5453887AHead tracking servo patternCANON DENSHI KK·Filed 1993·Granted Sep 26, 1995·68 cites·77 claims
- 0288US6374315B1Interface with connection unit for loading host computer with external storage device format control information in response to connection of host computer to connection unitCANON KK·Filed 1999·Granted Apr 16, 2002·55 cites·18 claims
- 0378US5257255ARecording and/or reproducing apparatus with sensor for detecting head speed or accelerationCANON DENSHI KK·Filed 1992·Granted Oct 26, 1993·27 cites·19 claims
- 0473US6058089AExternal floppy drive with secure storage of a cable and connector for connecting to a computer systemCOMPAQ COMPUTER CORP·Filed 1995·Granted May 2, 2000·25 cites·18 claims
- 0570US5991530AInterface device receivable in card storage device slot of host computerCANON DENSHI KK·Filed 1997·Granted Nov 23, 1999·55 cites·35 claims
- 0669US4969056AApparatus for recording information on a discCANON DENSHI KK·Filed 1987·Granted Nov 6, 1990·16 cites·11 claims
- 0764US5671067AFacsimile apparatus for optically recognizing characters and transmitting the recognized characters and communication system for transmitting the recognized characters between a terminal and a centerMATSUSHITA GRAPHIC COMMUNIC·Filed 1995·Granted Sep 23, 1997·36 cites·22 claims
- 0843US5786958AHead tracking servo patternCANON DENSHI KK·Filed 1997·Granted Jul 28, 1998·5 cites·11 claims
- 0943US5627661AFacsimile apparatus for optically recognizing characters and transmitting the recognized characters and communication system for transmitting the recognized characters between a terminal and a centerMATSUSHITA GRAPHIC COMMUNIC·Filed 1995·Granted May 6, 1997·29 cites·28 claims
- 1042US2011027112A1Water pumpYAMADA MFG CO LTD·Filed 2010·Application pending·0 cites
- 1136US2004022404A1Sound processing apparatus and hearing aidFiled 2002·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →