Inventor
Shigehiro Fuwa
Inventor
Tokorozawa, JP
Overview
Patents· 6 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B24Bprimary
B24BMachines, devices, or processes for grinding or polishing36%
B23QDetails, components, or accessories for machine tools, e.g. arrangements for copying or controlling27%
B41JTypewriters9%
G01DMeasuring not specially adapted for a specific variable9%
G05BControl or regulating systems in general9%
H04NPictorial communication, e.g. television9%
PatentTitleYear
6,707,029'Optical displacement measuring apparatus having light receiving arrays'20046,010,207'Color printer and printing method using the same'20004,794,736'Arrangement for mechanically and accurately processing a workpiece with a position detecting pattern or patterns'19894,546,573'Grinding machine'19854,536,993'Grinding machine'19854,481,742'Machine tool elevating and guiding apparatus'1984Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1984–2004Patents assigned to CITIZEN WATCH CO LTD (6)· patent assignee history
1984–2004Based in Tokorozawa, JP· patent location history
1989Patents assigned to SUMITOMO SPEC METALS (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CITIZEN WATCH CO LTD | 6 | 1984–2004 |
| SUMITOMO SPEC METALS | 1 | 1989 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokorozawa, JP | 6 | 1984–2004 |