Inventor
Ken Tsutsui
Inventor
Tokyo, JP
Overview
Patents· 19 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G02Fprimary
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein19%
H10DInorganic electric semiconductor devices19%
H10FInorganic semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation16%
H01JElectric discharge tubes or discharge lamps11%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution8%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form3%
C23CCoating metallic material3%
F24SSolar heat collectors3%
G02BOptical elements, systems or apparatus3%
G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices3%
PatentTitleYear
6,461,947'Photovoltaic device and making of the same'20026,323,415'Light concentrator photovoltaic module method of manufacturing same and light concentrator photovoltaic system'20016,294,723'Photovoltaic device, photovoltaic module and establishing method of photovoltaic system'20015,889,573'Thin film transistor substrate, manufacturing method thereof, liquid crystal display panel and liquid crystal display equipment'19995,719,408'Thin film transistor substrate, manufacturing method thereof, liquid crystal display panel and liquid crystal display equipment'19985,672,523'Thin film transistor substrate, manufacturing method thereof, liquid crystal display panel and liquid crystal display equipment'19975,585,290'Method of manufacturing a thin film transistor substrate'19965,359,206'Thin film transistor substrate, liquid crystal display panel and liquid crystal display equipment'19945,200,634'Thin film phototransistor and photosensor array using the same'19935,032,531'Method of manufacturing active matrix panel'19914,990,981'Thin film transistor and a liquid crystal display device using same'19914,430,400'Method of producing color filters using dehydrating solution'19844,412,236'Color solid-state imager'19834,395,629'Solid-state color imager and method of manufacturing the same'19834,331,506'Method of manufacturing target of image pickup tube'19824,273,812'Method of producing material patterns by evaporating material through a perforated mask having a reinforcing bridge'19814,206,384'Image pick-up tube target having transparent conductive strips with shallow sides'19804,107,568'Face plate for color pick-up tube'19783,997,810'Color pickup tube face plate with opaque shading stripes overlapping adjacent filters'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976–2002Patents assigned to HITACHI LTD (19)· patent assignee history
1976–1978Based in Tachikawa, JP· patent location history
1980Patents assigned to HITACHI DENSHI KABUSHIKI KABUS (1)· patent assignee history
1980–1983Based in Hachioji, JP· patent location history
1984–2001Based in Nishitama-gun, JP· patent location history
1991–2001Based in Tokyo, JP· patent location history
2002Based in Hinode, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HITACHI LTD | 19 | 1976–2002 |
| HITACHI DENSHI KABUSHIKI KABUS | 1 | 1980 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 8 | 1991–2001 |
| Hachioji, JP | 5 | 1980–1983 |
| Nishitama-gun, JP | 3 | 1984–2001 |
| Tachikawa, JP | 2 | 1976–1978 |
| Hinode, JP | 1 | 2002 |