Inventor · disambiguated record
Hiroshi Sugai
Also filed as: NAKAYAMA SHOJI · OGAWA HARUO · SUGAI HIROSHI
22 granted patents·1 pending application·449 citations·filing 1978–2009
96Inventor score
Top patents by PatentIndex Score
23 records- 0189US5821614ACard type semiconductor deviceSEIKO EPSON CORP·Filed 1995·Granted Oct 13, 1998·131 cites·38 claims
- 0285US4748359APermanent magnet rotor with sinusoidal flux patternHITACHI LTD·Filed 1986·Granted May 31, 1988·70 cites·6 claims
- 0381US5019773AMethod and apparatus for detecting positions and/or speed of a moving body using two phase signalsHITACHI LTD·Filed 1989·Granted May 28, 1991·33 cites·7 claims
- 0479US8167972B2Process for producing metal nanoparticle and metal nanoparticle produced by the processITO TAKASHI·Filed 2007·Granted May 1, 2012·5 cites·15 claims
- 0577US4955817AConstruction for removing electronic charges in connectorsSEIKO EPSON CORP·Filed 1989·Granted Sep 11, 1990·44 cites·7 claims
- 0669US4218216AMethod of lubricating dental hand-piece and small-sized oiler for use thereinMORITA MFG·Filed 1978·Granted Aug 19, 1980·26 cites·8 claims
- 0768US4788482APosition correcting control system for servomechanism deviceHITACHI LTD·Filed 1987·Granted Nov 29, 1988·25 cites·9 claims
- 0866US4516065AControl apparatus for AC motorsHITACHI LTD·Filed 1983·Granted May 7, 1985·18 cites·22 claims
- 0961US4922175APosition/speed detection method and apparatusHITACHI LTD·Filed 1989·Granted May 1, 1990·14 cites·5 claims
- 1057US4209293AAir bearing for a dental handpieceMORITA MFG·Filed 1978·Granted Jun 24, 1980·13 cites·8 claims
- 1153US4326846ADental handpieceMORITA MFG·Filed 1980·Granted Apr 27, 1982·16 cites·3 claims
- 1246US6397775B1Deposited film forming system and processCANON KK·Filed 1999·Granted Jun 4, 2002·7 cites·4 claims
- 1346US2007231941A1Method of Manufacturing Organic Device ElementCANON KK·Filed 2007·Application pending·0 cites
- 1444US7632704B2Manufacturing method for organic electronic element and manufacturing apparatus thereforCANON KK·Filed 2005·Granted Dec 15, 2009·0 cites·4 claims
- 1542US8221553B2Method for producing organic light-emitting deviceKANEKO KUMIKO·Filed 2009·Granted Jul 17, 2012·0 cites·7 claims
- 1642US4808933ARotating speed measuring apparatus having a corrector for low and high speeds using angle and frequency transducersHITACHI LTD·Filed 1987·Granted Feb 28, 1989·8 cites·12 claims
- 1741US4891163AMethod of processing nuclear fuel scrapsSUMITOMO METAL MINING CO·Filed 1986·Granted Jan 2, 1990·8 cites·8 claims
- 1841US4642203AMethod of treating low-level radioactive wasteSUMITOMO METAL MINING CO·Filed 1984·Granted Feb 10, 1987·8 cites·3 claims
- 1940US4863754AMoist pellet feed for breeding fishDAI ICHI KOGYO SEIYAKU CO LTD·Filed 1988·Granted Sep 5, 1989·8 cites·2 claims
- 2037US6926934B2Method and apparatus for deposited filmCANON KK·Filed 2001·Granted Aug 9, 2005·0 cites·10 claims
- 2137US5200678AMotor driving control apparatusHITACHI LTD·Filed 1990·Granted Apr 6, 1993·9 cites·21 claims
- 2234US4733070ARotational information output deviceHITACHI LTD·Filed 1985·Granted Mar 22, 1988·5 cites·7 claims
- 2329US4189836AChuck for dental hand-pieceMORITA MFG·Filed 1978·Granted Feb 26, 1980·1 cites·3 claims
Join the waitlist — get patent alerts
Get an alert when Hiroshi Sugai files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →