Inventor
Noribumi Tachihara
Inventor
Tokyo, JP
Overview
Patents· 6 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
Y10Tprimary
Y10TTechnical subjects covered by former us classification22%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them17%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form11%
G02BOptical elements, systems or apparatus11%
F21SNon-portable lighting devices6%
F21VFunctional features or details of lighting devices or systems thereof6%
F21WIndexing scheme associated with subclasses f21k, f21l, f21s and f21v, relating to uses or applications of lighting devices or systems6%
G01DMeasuring not specially adapted for a specific variable6%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein6%
G09FDisplaying6%
PatentTitleYear
6,818,287'Light shielding blade material for optical apparatus'20046,502,296'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'19994,141,058'Light diffusing device'19794,059,916'Light diffusing device'1977Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1977–2003Patents assigned to COPAL CO LTD (4)· patent assignee history
1977–2004Based in Tokyo, JP· patent location history
2001–2004Patents assigned to NIDEC COPAL CORP (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| COPAL CO LTD | 4 | 1977–2003 |
| NIDEC COPAL CORP | 2 | 2001–2004 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 6 | 1977–2004 |