Inventor
Takeo Fukushima
Inventor
Kawasaki, JP
Overview
Patents· 16 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C21Dprimary
C21DModifying the physical structure of ferrous metals26%
H04JMultiplex communication22%
H04BTransmission13%
H04LTransmission of digital information, e.g. telegraphic communication9%
F28DHeat-exchange apparatus, not provided for in another subclass, in which the heat-exchange media do not come into direct contact4%
F28FDetails of heat-exchange and heat-transfer apparatus, of general application4%
G01RMeasuring electric variables4%
G06FElectric digital data processing4%
H01RElectrically-conductive connections4%
H02KDynamo-electric machines4%
PatentTitleYear
7,077,355'Split-type stator core winding device'20066,416,333'Extension boards and method of extending boards'20025,668,819'Mask control device for LSI tester'19975,343,464'Switching system between working transmission lines and protection transmission line'19945,327,275'Switching system of optical transmission lines for protecting from trouble'19945,282,193'Maintenance signal transmission system'19945,109,296'Transmission line switching system'19924,923,396'Method and apparatus for heating a strip of metallic material in a continuous annealing furnace'19904,885,746'Frequency converter'19894,836,774'Method and apparatus for heating a strip of metallic material in a continuous annealing furnace'19894,754,456'Multiplex system for replacing a faulty multiplexer output with an alternating pattern signal'19884,738,733'Method for heat-treatment of a strip'19884,727,541'Hierarchical data transmission system'19884,644,667'Cooling apparatus for strip metal'19874,638,851'Cooling apparatus for metal strip'19874,363,472'Steel strip continuous annealing apparatus'1982Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1982–1990Patents assigned to KAWASAKI STEEL CO (6)· patent assignee history
1982–1990Based in Hiroshima, JP· patent location history
1987–1990Patents assigned to MITSUBISHI HEAVY IND LTD (5)· patent assignee history
1988–1994Patents assigned to FUJITSU LTD (7)· patent assignee history
1988–1994Based in Kawasaki, JP· patent location history
1992Based in Kazo, JP· patent location history
1997–2002Patents assigned to ANDO ELECTRIC (2)· patent assignee history
1997–2002Based in Tokyo, JP· patent location history
2006Patents assigned to TOYO DENSO KK (1)· patent assignee history
2006Based in Tsurugashima, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| FUJITSU LTD | 7 | 1988–1994 |
| KAWASAKI STEEL CO | 6 | 1982–1990 |
| MITSUBISHI HEAVY IND LTD | 5 | 1987–1990 |
| ANDO ELECTRIC | 2 | 1997–2002 |
| TOYO DENSO KK | 1 | 2006 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kawasaki, JP | 6 | 1988–1994 |
| Hiroshima, JP | 6 | 1982–1990 |
| Tokyo, JP | 2 | 1997–2002 |
| Tsurugashima, JP | 1 | 2006 |
| Kazo, JP | 1 | 1992 |