Inventor
Yukio Osawa
Inventor
Kiryu, JP
Overview
Patents· 7 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H01Hprimary
H01HElectric switches17%
B22FWorking metallic powder8%
B29CShaping or joining of plastics8%
B65HHandling thin or filamentary material, e.g. sheets, webs, cables8%
C08JWorking-up8%
F02NStarting of combustion engines8%
F04DNon-positive-displacement pumps8%
G01RMeasuring electric variables8%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them8%
H02KDynamo-electric machines8%
PatentTitleYear
9,803,645'Cooling fan'20175,853,083'Contact material for a vacuum circuit breaker and a method for manufacturing the same'19985,702,501'Clayish composition for molding shaped article of noble metal and method for production of sintered article of noble metal'19975,414,490'Photosensitive material exposure apparatus'19955,399,973'Method and apparatus for detecting a reduction in the degree of vacuum of a vacuum valve while in operation'19955,083,766'Automatic sheet feeding device having a miniaturized structure'19924,847,528'Plastic molding on penetration metal, particularly on motor end plate'1989Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1989Patents assigned to MITSUBA ELECTRIC MFG CO (1)· patent assignee history
1995–1998Patents assigned to FUJI ELECTRIC CO LTD (2)· patent assignee history
1995Patents assigned to FUJI PHOTO FILM CO LTD (1)· patent assignee history
1995Based in Kanagawa, JP· patent location history
1995Based in Kawasaki, JP· patent location history
1997Patents assigned to AIDA CHEMICAL IND CO LTD (1)· patent assignee history
1997Based in Machida, JP· patent location history
1998Based in Saitama, JP· patent location history
2017Patents assigned to MITSUBA CORP (1)· patent assignee history
2017Based in Kiryu, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| FUJI ELECTRIC CO LTD | 2 | 1995–1998 |
| AIDA CHEMICAL IND CO LTD | 1 | 1997 |
| FUJI PHOTO FILM CO LTD | 1 | 1995 |
| MITSUBA CORP | 1 | 2017 |
| MITSUBA ELECTRIC MFG CO | 1 | 1989 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kiryu, JP | 1 | 2017 |
| Saitama, JP | 1 | 1998 |
| Machida, JP | 1 | 1997 |
| Kanagawa, JP | 1 | 1995 |
| Kawasaki, JP | 1 | 1995 |