Inventor
Katsuichi Kitagawa
Inventor
Moriyama, JP
Overview
Patents· 7 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G01Bprimary
G01BMeasuring length, thickness or similar linear dimensions42%
B29CShaping or joining of plastics17%
G01NInvestigating or analysing materials by determining their chemical or physical properties8%
G02BOptical elements, systems or apparatus8%
G05DSystems for controlling or regulating non-electric variables8%
H01LSemiconductor devices8%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h108%
PatentTitleYear
10,274,307Film thickness measurement device using interference of light and film thickness measurement method using interference of light20198,831,910'Method of measuring defect density of single crystal'20147,852,489'Method for measuring surface profile, and apparatus using the same'20106,501,553'Surface profile measuring method and apparatus'20024,693,608'Method and apparatus for determining position of points on article'19874,124,342'Apparatus for controlling the gap between lips of a die for extruding a plastic sheet material'19783,985,845'Method for controlling the gap between lips of a die for extruding a plastic sheet material'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976–1987Patents assigned to TORAY INDUSTRIES (3)· patent assignee history
1976–2010Based in Otsu, JP· patent location history
1987–2019Based in Moriyama, JP· patent location history
2002–2019Patents assigned to TORAY ENG CO LTD (3)· patent assignee history
2002Patents assigned to CIRCLE PROMOTION SCIENCE & ENG (1)· patent assignee history
2014Patents assigned to KITAGAWA KATSUICHI (1)· patent assignee history
2014Patents assigned to SHINTANI YOSHITOMO (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| TORAY ENG CO LTD | 3 | 2002–2019 |
| TORAY INDUSTRIES | 3 | 1976–1987 |
| CIRCLE PROMOTION SCIENCE & ENG | 1 | 2002 |
| KITAGAWA KATSUICHIself | 1 | 2014 |
| SHINTANI YOSHITOMO | 1 | 2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Moriyama, JP | 4 | 1987–2019 |
| Otsu, JP | 3 | 1976–2010 |