Inventor
Shigemi Takahashi
Inventor
Tokyo, JP
Overview
Patents· 18 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 them46%
H04NPictorial communication, e.g. television11%
Y10TTechnical subjects covered by former us classification11%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form4%
B62DMotor vehicles4%
G01JMeasurement of intensity, velocity, spectral content, polarisation, phase or pulse characteristics of infrared, visible or ultraviolet light4%
G01PMeasuring linear or angular speed, acceleration, deceleration, or shock4%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein4%
H01PWaveguides4%
H01RElectrically-conductive connections4%
PatentTitleYear
10,801,884Blade driving device and infrared imaging device202010,488,735Focal-plane shutter, and imaging device and electronic equipment that are provided therewith20198,550,730'Focal plane shutter for cameras'20138,511,836'Diaphragm apparatus for projectors'20138,197,150'Focal plane shutter for digital cameras'20127,708,477'Focal plane shutter for cameras'20107,178,998'Focal plane shutter for digital still cameras'20076,850,281'Focal-plane shutter for digital still cameras'20056,795,122'Focal-plane shutter for digital still cameras'20046,726,381'Focal-plane shutter for cameras'20046,601,807'Mounting structure of thermal shield for oil pump'20036,536,962'Focal-plane shutter for digital still cameras'20036,502,296'Method of fabricating a light-shielding blade composed of beryllium-aluminum alloy'20036,190,060'Light-shielding blade composed of beryllium-aluminum alloy for camera'20016,001,465'Light shielding blade for camera made of para-orientation aromatic polyamide film'19995,336,112'Coaxial microstrip line transducer'19944,994,834'Focal plane shutter for cameras'19914,924,131'Piezo-electric acceleration sensor'1990Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1990Patents assigned to FUJIKURA LTD (1)· patent assignee history
1990–2020Based in Tokyo, JP· patent location history
1991–2003Patents assigned to COPAL CO LTD (3)· patent assignee history
1991Based in Itabashi-ku, JP· patent location history
1994Based in Nagaokakyo, JP· patent location history
2001–2020Patents assigned to NIDEC COPAL CORP (12)· patent assignee history
2003–2005Based in Nerima-ku, JP· patent location history
2003Based in Okazaki, JP· patent location history
2012–2013Patents assigned to TAKAHASHI SHIGEMI (2)· patent assignee history
2012Patents assigned to MIYAZAKI HIROSHI (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| NIDEC COPAL CORP | 12 | 2001–2020 |
| COPAL CO LTD | 3 | 1991–2003 |
| TAKAHASHI SHIGEMIself | 2 | 2012–2013 |
| FUJIKURA LTD | 1 | 1990 |
| MIYAZAKI HIROSHI | 1 | 2012 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 11 | 1990–2020 |
| Nerima-ku, JP | 4 | 2003–2005 |
| Okazaki, JP | 1 | 2003 |
| Nagaokakyo, JP | 1 | 1994 |
| Itabashi-ku, JP | 1 | 1991 |