Inventor
Yasuhisa Ishikura
Inventor
Katano, JP
Overview
Patents· 15 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H01Jprimary
H01JElectric discharge tubes or discharge lamps35%
A61BDiagnosis23%
C23CCoating metallic material19%
Y10TTechnical subjects covered by former us classification19%
G02BOptical elements, systems or apparatus4%
PatentTitleYear
8,879,069'Optical image measurement device'2014RE041503'Method of producing plasma display panel with protective layer of an alkaline earth oxide'20107,695,139'Alignment method for ophthalmic measurement apparatus and alignment device of the same'2010RE040871'Method of producing plasma display panel with protective layer of an alkaline earth oxide'2009RE040647'Method of producing plasma display panel with protective layer of an alkaline earth oxide'20096,817,917'Manufacturing method for a plasma display panel with superior luminescence'20046,481,848'Ophthalmologic apparatus'20026,439,943'Manufacturing method of plasma display panel that includes adielectric glass layer having small particle sizes'20026,190,012'Cornea shape measuring apparatus'20015,993,543'Method of producing plasma display panel with protective layer of an alkaline earth oxide'19995,770,921'Plasma display panel with protective layer of an alkaline earth oxide'19985,751,102'Monochromatic cathode ray tube having scattered electron suppressing layer'19985,451,835'Electron beam display device and production thereof'19955,210,555'Ocular refracting power measuring system'19935,071,245'Ocular refracting power measuring system'1991Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1991–2014Patents assigned to TOPCON CORP (6)· patent assignee history
1991–2014Based in Tokyo, JP· patent location history
1995–2009Patents assigned to MATSUSHITA ELECTRIC INDUSTRIAL CO LTD (5)· patent assignee history
1995–2010Based in Katano, JP· patent location history
1999Patents assigned to MASAKI AOKI (1)· patent assignee history
2009–2010Patents assigned to PANASONIC CORP (2)· patent assignee history
2009Based in Kadoma, JP· patent location history
2010Based in Itabashi-ku, JP· patent location history
2014Patents assigned to ISHIKURA YASUHISA (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| TOPCON CORP | 6 | 1991–2014 |
| MATSUSHITA ELECTRIC INDUSTRIAL CO LTD | 5 | 1995–2009 |
| PANASONIC CORP | 2 | 2009–2010 |
| ISHIKURA YASUHISAself | 1 | 2014 |
| MASAKI AOKI | 1 | 1999 |
Locations
| Location | Patents | Span |
|---|---|---|
| Katano, JP | 8 | 1995–2010 |
| Tokyo, JP | 5 | 1991–2014 |
| Itabashi-ku, JP | 1 | 2010 |
| Kadoma, JP | 1 | 2009 |