Inventor
Shigeo Nakashima
Inventor
Utsunomiya, JP
Overview
Patents· 17 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G02Bprimary
G02BOptical elements, systems or apparatus33%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them11%
H05KPrinted circuits7%
B05BSpraying apparatus4%
C01BNon-metallic elements4%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients4%
F04BPositive-displacement machines for liquids4%
H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy4%
H01RElectrically-conductive connections4%
H02KDynamo-electric machines4%
PatentTitleYear
10,991,985Secondary battery20217,525,235'Optical apparatus having a driving source for driving a lens in an optical axis direction'20097,502,553'Optical apparatus'20097,215,489'Optical apparatus'20077,215,488'Optical apparatus'20076,779,933'Light-quantity adjusting apparatus and optical apparatus'20046,473,567'Lens barrel having facility for maintaining meshed relation between movable lens drive means and movable lens means'20026,002,530'Lens barrel and optical apparatus'19996,002,531'Lens barrel and optical apparatus'19995,889,555'Video camera system and optical accessory'19995,543,444'Red phosphorus flame retardant and nonflammable resinous composition'19965,264,966'Lens barrel'19934,999,656'Interchangeable lens with double-sided printed circuit board'19914,897,648'Analog-to-digital converter having a gray code board with the least significant bit pattern disposed in the center'19904,749,269'Lens drive device'19884,693,580'Motor'19874,405,289'Apparatus for pumping a powdery or granular material'1983Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1983Patents assigned to NAKASHIMA SHIGEO (1)· patent assignee history
1987–2009Patents assigned to CANON KK (14)· patent assignee history
1987–1988Patents assigned to CANON PRECISION INC (2)· patent assignee history
1987–1993Based in Kawasaki, JP· patent location history
1988–1999Based in Kanagawa, JP· patent location history
1996Patents assigned to PHOSPHORUS CHEM IND (1)· patent assignee history
1999–2002Based in Yokohama, JP· patent location history
2007–2009Based in Utsunomiya, JP· patent location history
2021Patents assigned to TOYOTA MOTOR CO LTD (1)· patent assignee history
2021Based in Toyota, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CANON KK | 14 | 1987–2009 |
| CANON PRECISION INC | 2 | 1987–1988 |
| NAKASHIMA SHIGEOself | 1 | 1983 |
| PHOSPHORUS CHEM IND | 1 | 1996 |
| TOYOTA MOTOR CO LTD | 1 | 2021 |
Locations
| Location | Patents | Span |
|---|---|---|
| Utsunomiya, JP | 4 | 2007–2009 |
| Kanagawa, JP | 4 | 1988–1999 |
| Kawasaki, JP | 3 | 1987–1993 |
| Yokohama, JP | 2 | 1999–2002 |
| Toyota, JP | 1 | 2021 |