Inventor · disambiguated record
Yasumasa Matsuda
Also filed as: AI MITSUO · DOI TETSUO · MATSUDA YASUMASA · NISHIHARA MOTOHISA
34 granted patents·2 pending applications·2,122 citations·filing 1976–2005
98Inventor score
Top patents by PatentIndex Score
36 records- 0198US4672398AInk droplet expelling apparatusHITACHI LTD·Filed 1985·Granted Jun 9, 1987·538 cites·12 claims
- 0297US4216477ANozzle head of an ink-jet printing apparatus with built-in fluid diodesHITACHI LTD·Filed 1979·Granted Aug 5, 1980·99 cites·14 claims
- 0393US5634134AMethod and apparatus for determining character and character mode for multi-lingual keyboard based on input charactersHITACHI LTD·Filed 1992·Granted May 27, 1997·109 cites·40 claims
- 0491US5612720ASystems for processing information and identifying individualHITACHI LTD·Filed 1995·Granted Mar 18, 1997·234 cites·24 claims
- 0590US4040294AApparatus for detecting misfire in multicylinder internal combustion engineHITACHI LTD·Filed 1976·Granted Aug 9, 1977·32 cites·24 claims
- 0689US4173900ASemiconductor pressure transducerHITACHI LTD·Filed 1978·Granted Nov 13, 1979·39 cites·8 claims
- 0788US4424520AInk jet printing apparatusHITACHI LTD·Filed 1981·Granted Jan 3, 1984·44 cites·7 claims
- 0888US4350989AInk-jet printing apparatusHITACHI LTD·Filed 1980·Granted Sep 21, 1982·44 cites·4 claims
- 0984US5535119ACharacter inputting method allowing input of a plurality of different types of character species, and information processing equipment adopting the sameHITACHI LTD·Filed 1993·Granted Jul 9, 1996·116 cites·30 claims
- 1082US5453762ASystems for processing information and identifying individualHITACHI LTD·Filed 1994·Granted Sep 26, 1995·94 cites·23 claims
- 1180US5539868ACharacter and figure transferring systemHITACHI LTD·Filed 1995·Granted Jul 23, 1996·72 cites·24 claims
- 1279US4364070ADrop jet apparatusHITACHI LTD·Filed 1981·Granted Dec 14, 1982·24 cites·9 claims
- 1379US4173148ASemiconductor strain gauge with temperature compensatorHITACHI LTD·Filed 1978·Granted Nov 6, 1979·27 cites·7 claims
- 1476US5684970AIcon menu display apparatus and icon menu display methodHITACHI LTD·Filed 1996·Granted Nov 4, 1997·76 cites·23 claims
- 1576US4151502ASemiconductor transducerHITACHI LTD·Filed 1977·Granted Apr 24, 1979·21 cites·12 claims
- 1675US5852447ACharacter and figure transforming systemHITACHI LTD·Filed 1996·Granted Dec 22, 1998·58 cites·20 claims
- 1774US5621438APointing information processing apparatus with pointing functionHITACHI LTD·Filed 1993·Granted Apr 15, 1997·66 cites·26 claims
- 1874US5592605AMenu picture display method and apparatus for a data processorHITACHI LTD·Filed 1994·Granted Jan 7, 1997·61 cites·28 claims
- 1973US4670761AInk-jet recording apparatusHITACHI LTD·Filed 1985·Granted Jun 2, 1987·20 cites·12 claims
- 2070US4050313ASemiconductor pressure transducerHITACHI LTD·Filed 1976·Granted Sep 27, 1977·18 cites·9 claims
- 2169US4746928AMicro-dot ink jet recorderHITACHI LTD·Filed 1986·Granted May 24, 1988·17 cites·5 claims
- 2268US5247610AMethod and apparatus for generating graphicsHITACHI LTD·Filed 1992·Granted Sep 21, 1993·39 cites·36 claims
- 2364US4849909AInk-jet recording deviceHITACHI LTD·Filed 1985·Granted Jul 18, 1989·14 cites·8 claims
- 2463US6094186ADocument format setting method and apparatusHITACHI LTD·Filed 1995·Granted Jul 25, 2000·26 cites·6 claims
- 2563US5012353AApparatus for reading originalHITACHI LTD·Filed 1988·Granted Apr 30, 1991·18 cites·7 claims
- 2662US5864808AErroneous input processing method and apparatus in information processing system using composite inputHITACHI LTD·Filed 1997·Granted Jan 26, 1999·48 cites·22 claims
- 2761US5302969ADocument format setting method and apparatusHITACHI LTD·Filed 1991·Granted Apr 12, 1994·19 cites·3 claims
- 2860US4638326AInk jet recording apparatusHITACHI LTD·Filed 1986·Granted Jan 20, 1987·13 cites·2 claims
- 2956US5289568AApparatus and method for drawing figuresHITACHI LTD·Filed 1990·Granted Feb 22, 1994·24 cites·15 claims
- 3056US4166384ASemiconductor transducerHITACHI LTD·Filed 1978·Granted Sep 4, 1979·11 cites·4 claims
- 3154US5781731ASchedule management support systemHITACHI LTD·Filed 1996·Granted Jul 14, 1998·90 cites·29 claims
- 3247US2005144049A1Multimedia information delivery system and mobile information terminal deviceFiled 2005·Application pending·0 cites
- 3344US4393388ALiquid droplet projection apparatusHITACHI KOKI KK·Filed 1981·Granted Jul 12, 1983·5 cites·3 claims
- 3444US2002026289A1Multimedia information delivery system and mobile information terminal deviceFiled 2001·Application pending·0 cites
- 3532US5309549AMethod for and apparatus for synthesizing and filling in figures having contoursHITACHI LTD·Filed 1990·Granted May 3, 1994·6 cites·6 claims
- 3627US4618868AInk jet recording apparatusHITACHI LTD·Filed 1985·Granted Oct 21, 1986·0 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →