Inventor
Tetsuya Seki
Inventor
Fukuroi, JP
Overview
Patents· 13 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H02Pprimary
H02PControl or regulation of electric motors, electric generators or dynamo-electric converters13%
C08JWorking-up9%
F04DNon-positive-displacement pumps9%
F05DIndexing scheme for aspects relating to non-positive-displacement machines or engines, gas-turbines or jet-propulsion plants9%
G02BOptical elements, systems or apparatus9%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h109%
Y10TTechnical subjects covered by former us classification9%
A23LFoods, foodstuffs or non-alcoholic beverages, not otherwise provided for4%
A61BDiagnosis4%
A61KPreparations for medical, dental or toiletry purposes4%
PatentTitleYear
11,005,400Motor current control device and motor current control method202110,914,317Centrifugal fan202110,588,548Chewing detecting device202010,498,284Motor drive controller and method for controlling motor201910,469,010Motor drive controller, control method for motor drive controller, control program for motor drive controller, and method for determining number of divisions of basic step angle201910,316,860Centrifugal fan having impeller with blades between annular shroud and main plate20198,269,809'Printing apparatus'20127,767,236'Plant seed extract composition and process for producing the same'20105,436,876'Optical head and optical memory device'19955,194,119'Method of anisotropic dry etching of thin film semiconductors'19935,145,554'Method of anisotropic dry etching of thin film semiconductors'19924,940,602'Process of producing an anti-reflection optical article'19904,904,525'Anti-reflection optical article and process of producing the same'1990Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1990Patents assigned to TORAY INDUSTRIES (2)· patent assignee history
1990Based in Kyoto, JP· patent location history
1992–1995Patents assigned to SEIKO EPSON CORP (3)· patent assignee history
1992–1995Based in Suwa, JP· patent location history
2010Patents assigned to AJINOMOTO KK (1)· patent assignee history
2012Based in Shizuoka, JP· patent location history
2019–2021Patents assigned to MINEBEA MITSUMI INC (3)· patent assignee history
2019Patents assigned to MINEBEA CO LTD (2)· patent assignee history
2019–2021Based in Fukuroi, JP· patent location history
2020Based in Tokyo, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MINEBEA MITSUMI INC | 3 | 2019–2021 |
| SEIKO EPSON CORP | 3 | 1992–1995 |
| MINEBEA CO LTD | 2 | 2019 |
| TORAY INDUSTRIES | 2 | 1990 |
| AJINOMOTO KK | 1 | 2010 |
Locations
| Location | Patents | Span |
|---|---|---|
| Fukuroi, JP | 5 | 2019–2021 |
| Suwa, JP | 3 | 1992–1995 |
| Kyoto, JP | 2 | 1990 |
| Tokyo, JP | 1 | 2020 |
| Shizuoka, JP | 1 | 2012 |