Inventor
Hiroyuki Ohkawa
Inventor
Tokyo, JP
Overview
Patents· 26 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C03Cprimary
C03CChemical composition of glasses, glazes or vitreous enamels16%
G09GArrangements or circuits for control of indicating devices using static means to present variable information13%
G11CStatic stores10%
Y10TTechnical subjects covered by former us classification10%
G11BInformation storage based on relative movement between record carrier and transducer8%
G02BOptical elements, systems or apparatus6%
G06FElectric digital data processing6%
G09FDisplaying6%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein3%
H05BElectric heating3%
PatentTitleYear
10,336,485Binding machine for gardening201910,241,369Display device201910,228,595Display device with layered wiring structure for external connection201910,189,739Glass for chemical tempering and chemically tempered glass20199,928,794'Shift register and display apparatus'20189,896,374'Glass for chemical tempering and chemically tempered glass'20189,840,435'Display cover glass and display cover glass fabrication method'20179,656,906'Glass for chemical tempering and chemically tempered glass'20179,390,813'Shift register including unit circuits connected in multistage manner, and display device'20169,047,842'Shift register, display-driving circuit, displaying panel, and displaying device'20158,427,045'Translucent substrate, process for producing the same, organic LED element and process for producing the same'20138,361,916'Optical glass and preforms for precision press molding and optical elements made by using the glass'20138,349,455'Glass and chemically tempered glass'20138,223,112'Shift register receiving all-on signal and display device'20128,085,236'Display apparatus and method for driving the same'20118,018,140'Translucent substrate, process for producing the same, organic LED element and process for producing the same'20117,582,579'Phosphate optical glass'20097,582,580'Optical glass'20097,553,335'Scanning probe microscope probe and manufacturing method therefor, scanning probe microscope and using method therefor, needle-like body and manufacturing method therefor, electronic device and manufacturing method therefor, charge density wave quantum phase microscope, and charge density wave quantum interferometer'20097,235,525'Agent for treatment of metabolic bone disease'20077,151,523'Bi-directional shift register and display device using same'20064,939,602'Cassette holder mechanism'19904,858,042'Cassette insertion detecting mechanism'19894,855,848'Double insertion and inner lid float preventing mechanism'19894,831,473'Dust door mechanism in tape player'19894,785,362'Driving force branching gear mechanism'1988Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1988–1990Patents assigned to CLARION CO LTD (5)· patent assignee history
1988–2019Based in Tokyo, JP· patent location history
2006–2019Patents assigned to SHARP KK (8)· patent assignee history
2009–2019Patents assigned to ASAHI GLASS CO LTD (10)· patent assignee history
2011–2016Patents assigned to OHKAWA HIROYUKI (7)· patent assignee history
2011–2016Patents assigned to MURAKAMI YUHICHIROH (4)· patent assignee history
2011–2013Based in Chiyoda-ku, JP· patent location history
2011Based in Matsusaka, JP· patent location history
2012–2018Based in Osaka, JP· patent location history
2019Based in Sakai, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| ASAHI GLASS CO LTD | 10 | 2009–2019 |
| SHARP KK | 8 | 2006–2019 |
| OHKAWA HIROYUKIself | 7 | 2011–2016 |
| CLARION CO LTD | 5 | 1988–1990 |
| MURAKAMI YUHICHIROH | 4 | 2011–2016 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 13 | 1988–2019 |
| Osaka, JP | 4 | 2012–2018 |
| Chiyoda-ku, JP | 3 | 2011–2013 |
| Sakai, JP | 2 | 2019 |
| Matsusaka, JP | 1 | 2011 |