Inventor
Kenichi Kuwabara
Inventor
Hikari, JP
Overview
Patents· 18 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G03Cprimary
G03CPhotosensitive materials for photographic purposes16%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1016%
H01JElectric discharge tubes or discharge lamps9%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests9%
H05HPlasma technique7%
G06QInformation and communication technology [ict] specially adapted for administrative, commercial, financial, managerial or supervisory purposes5%
H02JElectric power networks5%
H10DInorganic electric semiconductor devices5%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution5%
Y04SSystems integrating technologies related to power network operation, communication or information technologies for improving the electrical power generation, transmission, distribution, management or usage, i.e. smart grids5%
PatentTitleYear
10,554,065Battery control apparatus20209,230,782'Plasma processing method and apparatus'20168,900,401'Plasma processing method and apparatus'20148,580,689'Plasma processing method'20138,143,175'Dry etching method'20128,038,896'Plasma processing method and apparatus'20117,989,330'Dry etching method'20117,130,832'Energy service business method and system'20067,112,805'Vacuum processing apparatus and vacuum processing method'20066,530,209'Thermal energy reusing system'20035,142,029'Silver halide photographic material containing a compound with variable development restraining ability'19924,887,961'Radiant wall burner apparatus'19894,865,947'Silver halide photographic material'19894,830,950'Silver halide photographic material'19894,722,884'Silver halide photographic light-sensitive materials and method for formation of negative images of ultra-high contrast using said material'19884,551,424'Silver halide photographic light-sensitive material'19854,469,783'Silver halide photographic emulsions'19844,286,044'Silver halide photographic materials'1981Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1981–1992Patents assigned to FUJI PHOTO FILM CO LTD (7)· patent assignee history
1984–1992Based in Kanagawa, JP· patent location history
1989Based in Yashio, JP· patent location history
2003–2020Patents assigned to HITACHI LTD (3)· patent assignee history
2003–2006Based in Abiko, JP· patent location history
2006–2016Patents assigned to HITACHI HIGH TECH CORP (7)· patent assignee history
2006–2016Based in Hikari, JP· patent location history
2012–2014Patents assigned to KUWABARA KENICHI (3)· patent assignee history
2012–2013Patents assigned to ICHIMARU TOMOYOSHI (2)· patent assignee history
2020Based in Tokyo, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| FUJI PHOTO FILM CO LTD | 7 | 1981–1992 |
| HITACHI HIGH TECH CORP | 7 | 2006–2016 |
| HITACHI LTD | 3 | 2003–2020 |
| KUWABARA KENICHIself | 3 | 2012–2014 |
| ICHIMARU TOMOYOSHI | 2 | 2012–2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Hikari, JP | 7 | 2006–2016 |
| Kanagawa, JP | 6 | 1984–1992 |
| Abiko, JP | 2 | 2003–2006 |
| Tokyo, JP | 1 | 2020 |
| Yashio, JP | 1 | 1989 |