Inventor
Toru Yoshikawa
Inventor
Wakayama, JP
Overview
Patents· 17 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G03Bprimary
G03BApparatus or arrangements for taking photographs or for projecting or viewing them12%
G03DApparatus for processing exposed photographic materials9%
G01NInvestigating or analysing materials by determining their chemical or physical properties6%
H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light6%
H04BTransmission6%
B65HHandling thin or filamentary material, e.g. sheets, webs, cables3%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds3%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients3%
C08LCompositions of macromolecular compounds3%
G01BMeasuring length, thickness or similar linear dimensions3%
PatentTitleYear
10,580,307Ship display device20209,071,035'Optical amplifier and method of controlling optical amplifier'20158,730,465'Polarized light defect detection in pupil images'20148,599,370'Polarized light defect detection in pupil images'20138,040,512'Inspection device, inspection method, and program'20117,852,550'Optical amplifying apparatus'20107,190,238'Surface mounting crystal oscillator'20076,922,026'Light fixture control system'20056,801,440'Mounting structure for module substrates'20046,097,573'Magnetic information recorder/reproducer'20006,042,740'Composition for forming electrolyte for solid electrolytic capacitor and solid electrolytic capacitor'20005,979,820'Film magazine'19995,856,863'Method and apparatus for feeding film cartridges'19995,825,462'Film cartridge storage apparatus'19985,138,294'Electromagnetic induction device'19925,130,497'Insulating spacer disposed between two members differing in electrical potential'19924,705,266'Sheet convey device'1987Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1987–2015Based in Tokyo, JP· patent location history
1992Patents assigned to MITSUBISHI ELECTRIC CORP (2)· patent assignee history
1998–2000Patents assigned to NORITSU KOKI CO LTD (4)· patent assignee history
1998–2000Based in Wakayama, JP· patent location history
2005–2007Based in Saitama, JP· patent location history
2010–2015Patents assigned to FURUKAWA ELECTRIC CO LTD (2)· patent assignee history
2011–2014Patents assigned to NIKON CORP (2)· patent assignee history
2011–2014Based in Yokohama, JP· patent location history
2014Patents assigned to ENDO KAZUMASA (1)· patent assignee history
2020Based in Nishinomiya, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| NORITSU KOKI CO LTD | 4 | 1998–2000 |
| FURUKAWA ELECTRIC CO LTD | 2 | 2010–2015 |
| MITSUBISHI ELECTRIC CORP | 2 | 1992 |
| NIKON CORP | 2 | 2011–2014 |
| ENDO KAZUMASA | 1 | 2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Wakayama, JP | 4 | 1998–2000 |
| Tokyo, JP | 3 | 1987–2015 |
| Yokohama, JP | 3 | 2011–2014 |
| Saitama, JP | 2 | 2005–2007 |
| Nishinomiya, JP | 1 | 2020 |