Inventor
Hiroyuki Ohtsuka
Inventor
Tokyo, JP
Overview
Patents· 37 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H10Fprimary
H10FInorganic semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation19%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution19%
Y02PClimate change mitigation technologies in the production or processing of goods10%
A61BDiagnosis9%
H01LSemiconductor devices8%
H05KPrinted circuits3%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h103%
F24SSolar heat collectors2%
G02BOptical elements, systems or apparatus2%
H01BCables2%
PatentTitleYear
11,049,988High photoelectric conversion efficiency solar cell and method for manufacturing high photoelectric conversion efficiency solar cell202111,038,078Method for manufacturing high efficiency solar cell202111,038,070High photoelectric conversion efficiency solar cell and method for manufacturing high photoelectric conversion efficiency solar cell202110,756,223Manufacturing method of solar cell with high photoelectric conversion efficiency and solar cell with high photoelectric conversion efficiency202010,700,223High photoelectric conversion efficiency solar battery cell and method for manufacturing high photoelectric conversion solar battery cell202010,692,736Method for producing high-photoelectric-conversion-efficiency solar cell and high-photoelectric-conversion-efficiency solar cell202010,236,397Method for producing high-efficiency solar cell20198,766,089'Semiconductor substrate, electrode forming method, and solar cell fabricating method'20148,319,096'Semiconductor substrate, method for forming electrode, and method for fabricating solar cell'20128,253,011'Semiconductor substrate, electrode forming method, and solar cell fabricating method'20128,141,484'Screen printing plate and screen printing apparatus'20128,030,223'Solar cell and method of fabricating the same'20117,705,236'Electrode material, solar cell, and method for producing solar cell'20107,615,391'Solar cell and method of fabricating the same'20097,355,114'Solar cell and its manufacturing method'20087,294,779'Solar cell and method for producing the same'20076,963,024'Solar cell module and its installing module'20056,546,198'Fundus camera for diagnostic fundus photographing'20036,461,947'Photovoltaic device and making of the same'20026,411,785'Fixing unit, fixing method and image forming apparatus using the same'20026,404,985'Fundus camera for diagnostic fundus photographing'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'2001D0438891'Cleaning cartridge'2001D0435061'Oil cartridge'20006,082,859'Ophthalmological photographing apparatus'20005,959,440'Load control device for an AC circuit'19995,896,292'Automated system for production facility'19995,594,512'Ophthalmological photographing instrument'19975,572,266'Fundus camera'19965,436,679'Apparatus for observing and photographing a corneal endothelium'19955,432,569'Illumination optical system of an ophthalmologic instrument'19955,237,356'Fundus camera photographic optical system'19935,189,556'Color photography optical system'19935,182,010'Mesophase pitch for use in the making of carbon materials'19934,910,468'Dual polarization demodulation with cross polarization cancellation'19904,779,973'Photokeratometric device'1988Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1988–2014Patents assigned to OHTSUKA HIROYUKI (5)· patent assignee history
1993–2003Patents assigned to TOPCON CORP (9)· patent assignee history
1993–2011Based in Tokyo, JP· patent location history
2000–2002Based in Ebina, JP· patent location history
2002–2014Based in Annaka, JP· patent location history
2005–2021Patents assigned to SHINETSU CHEMICAL CO (17)· patent assignee history
2007–2014Patents assigned to SHINETSU HANDOTAI KK (6)· patent assignee history
2010–2012Based in Gunma, JP· patent location history
2012–2014Patents assigned to ISHIKAWA NAOKI (4)· patent assignee history
2019–2021Based in Karuizawa-machi, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SHINETSU CHEMICAL CO | 17 | 2005–2021 |
| TOPCON CORP | 9 | 1993–2003 |
| SHINETSU HANDOTAI KK | 6 | 2007–2014 |
| OHTSUKA HIROYUKIself | 5 | 1988–2014 |
| ISHIKAWA NAOKI | 4 | 2012–2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 10 | 1993–2011 |
| Annaka, JP | 8 | 2002–2014 |
| Karuizawa-machi, JP | 7 | 2019–2021 |
| Ebina, JP | 3 | 2000–2002 |
| Gunma, JP | 2 | 2010–2012 |