Inventor
Hiroshi Sugai
Inventor
Sakura, JP
Overview
Patents· 22 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
A61Cprimary
A61CDentistry9%
C23CCoating metallic material7%
G01DMeasuring not specially adapted for a specific variable7%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests7%
G01PMeasuring linear or angular speed, acceleration, deceleration, or shock4%
G05BControl or regulating systems in general4%
H01JElectric discharge tubes or discharge lamps4%
H02PControl or regulation of electric motors, electric generators or dynamo-electric converters4%
H05KPrinted circuits4%
H10KOrganic electric solid-state devices4%
PatentTitleYear
8,221,553'Method for producing organic light-emitting device'20128,167,972'Process for producing metal nanoparticle and metal nanoparticle produced by the process'20127,632,704'Manufacturing method for organic electronic element and manufacturing apparatus therefor'20096,926,934'Method and apparatus for deposited film'20056,397,775'Deposited film forming system and process'20025,821,614'Card type semiconductor device'19985,200,678'Motor driving control apparatus'19935,019,773'Method and apparatus for detecting positions and/or speed of a moving body using two phase signals'19914,955,817'Construction for removing electronic charges in connectors'19904,922,175'Position/speed detection method and apparatus'19904,891,163'Method of processing nuclear fuel scraps'19904,863,754'Moist pellet feed for breeding fish'19894,808,933'Rotating speed measuring apparatus having a corrector for low and high speeds using angle and frequency transducers'19894,788,482'Position correcting control system for servomechanism device'19884,748,359'Permanent magnet rotor with sinusoidal flux pattern'19884,733,070'Rotational information output device'19884,642,203'Method of treating low-level radioactive waste'19874,516,065'Control apparatus for AC motors'19854,326,846'Dental handpiece'19824,218,216'Method of lubricating dental hand-piece and small-sized oiler for use therein'19804,209,293'Air bearing for a dental handpiece'19804,189,836'Chuck for dental hand-piece'1980Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1980–1982Patents assigned to MORITA MFG (4)· patent assignee history
1980–1989Based in Kyoto, JP· patent location history
1985–1993Patents assigned to HITACHI LTD (8)· patent assignee history
1985–1993Patents assigned to HITACHI KEIYO ENG (2)· patent assignee history
1985–1993Based in Sakura, JP· patent location history
1990–1998Patents assigned to SEIKO EPSON CORP (2)· patent assignee history
1990–1998Based in Suwa, JP· patent location history
2002–2012Patents assigned to CANON KK (4)· patent assignee history
2002–2012Based in Funabashi, JP· patent location history
2012Based in Sendai, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HITACHI LTD | 8 | 1985–1993 |
| CANON KK | 4 | 2002–2012 |
| MORITA MFG | 4 | 1980–1982 |
| HITACHI KEIYO ENG | 2 | 1985–1993 |
| SEIKO EPSON CORP | 2 | 1990–1998 |
Locations
| Location | Patents | Span |
|---|---|---|
| Sakura, JP | 8 | 1985–1993 |
| Funabashi, JP | 4 | 2002–2012 |
| Kyoto, JP | 4 | 1980–1989 |
| Suwa, JP | 2 | 1990–1998 |
| Sendai, JP | 1 | 2012 |