Inventor
Kiyoshi Nagasawa
Inventor
Tochigi, JP
Overview
Patents· 15 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G05Bprimary
G05BControl or regulating systems in general13%
B23QDetails, components, or accessories for machine tools, e.g. arrangements for copying or controlling11%
B82YSpecific uses or applications of nanostructures11%
H02NElectric machines not otherwise provided for11%
H02PControl or regulation of electric motors, electric generators or dynamo-electric converters8%
F25BRefrigeration machines, plants or systems5%
F26BDrying solid materials or objects by removing liquid therefrom5%
B25JManipulators3%
B60HArrangements of heating, cooling, ventilating or other air-treating devices specially adapted for passenger or goods spaces of vehicles3%
B60KArrangement or mounting of propulsion units or of transmissions in vehicles3%
PatentTitleYear
7,212,803'Communication control method'20076,748,757'Air conditioner for automobile'20046,133,661'Rotating electric machine usable in radioactive environment'20005,197,293'Method of controlling an air conditioning apparatus and air conditioning apparatus using the method'19935,005,298'Displacement controller for fine positioning device'19914,991,309'Fine positioning device and displacement controller therefor'19914,920,660'Fine positioning device and displacement controller therefor'19904,888,878'Fine positioning device'19894,810,943'Method and apparatus for controlling air-conditioning apparatus'19894,718,095'Speech recognition method'19884,712,050'Control system for brushless DC motor'19874,710,884'Device for compensating for deflection in a pliable positioning apparatus'19874,700,116'System for controlling brushless DC motor'19874,614,045'Method and apparatus for circulating hot air in board drying apparatus'19864,562,650'Board drying apparatus'1986Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1986Patents assigned to HASHIMOTO DENKI CO LTD (2)· patent assignee history
1987–2007Patents assigned to HITACHI LTD (7)· patent assignee history
1987–1991Patents assigned to HITACHI CONSTRUCTION MACHINERY (5)· patent assignee history
1987–1993Based in Tochigi, JP· patent location history
1988–2007Based in Yokohama, JP· patent location history
1989–1991Based in Ibaragi, JP· patent location history
2000Patents assigned to KANTO DENKI KOJI (1)· patent assignee history
2000Patents assigned to MEIDENSHA ELECTRIC MFG CO LTD (1)· patent assignee history
2000Based in Aichi, JP· patent location history
2004Based in Oohira, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HITACHI LTD | 7 | 1987–2007 |
| HITACHI CONSTRUCTION MACHINERY | 5 | 1987–1991 |
| HASHIMOTO DENKI CO LTD | 2 | 1986 |
| KANTO DENKI KOJI | 1 | 2000 |
| MEIDENSHA ELECTRIC MFG CO LTD | 1 | 2000 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tochigi, JP | 4 | 1987–1993 |
| Ibaragi, JP | 4 | 1989–1991 |
| Yokohama, JP | 2 | 1988–2007 |
| Oohira, JP | 1 | 2004 |
| Aichi, JP | 1 | 2000 |