Inventor
Shigeo Sakai
Inventor
Chiba, JP
Overview
Patents· 14 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B60Hprimary
B60HArrangements of heating, cooling, ventilating or other air-treating devices specially adapted for passenger or goods spaces of vehicles13%
F25BRefrigeration machines, plants or systems13%
F28DHeat-exchange apparatus, not provided for in another subclass, in which the heat-exchange media do not come into direct contact13%
LOC1013%
C09DCoating compositions, e.g. paints, varnishes or lacquers7%
C13BProduction of sucrose7%
G04BMechanically-driven clocks or watches7%
H04JMultiplex communication7%
H04LTransmission of digital information, e.g. telegraphic communication7%
H04QSelecting7%
PatentTitleYear
6,295,251'Timepiece dial plate and timepiece dial plate manufacturing method'2001D0410864'Inflatable bladder for wristwatch'1999D0407326'Watchcase'19995,517,757'Method of manufacturing a stacked heat exchanger'1996D0364820'Wristwatch'1995D0364822'Wristwatch'1995D0364821'Wristwatch'1995D0361529'Wristwatch'19955,417,280'Stacked heat exchanger and method of manufacturing the same'19955,280,054'Coating composition for use in hydrophilic treatment comprising an organic-inorganic composite reaction product'19945,191,579'Ring network switching control device'1993D0278039'Pocket watch'19854,264,373'Method of refining beet juice'19814,009,337'Stored program control type electronic exchange system'1977Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1977–1995Based in Tokyo, JP· patent location history
1993Patents assigned to FUJITSU LTD (1)· patent assignee history
1993Based in Oyama, JP· patent location history
1994Patents assigned to KANSAI PAINT CO LTD (1)· patent assignee history
1994Patents assigned to MITSUBISHI JUKOGYO KABUSHIKI KAISHA (1)· patent assignee history
1994–1996Based in Nagoya, JP· patent location history
1995–1999Patents assigned to SEIKO INSTR INC (6)· patent assignee history
1995–1996Patents assigned to MITSUBISHI HEAVY IND LTD (2)· patent assignee history
1995–1999Based in Chiba, JP· patent location history
2001Based in Chuo-ku, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SEIKO INSTR INC | 6 | 1995–1999 |
| MITSUBISHI HEAVY IND LTD | 2 | 1995–1996 |
| FUJITSU LTD | 1 | 1993 |
| KANSAI PAINT CO LTD | 1 | 1994 |
| MITSUBISHI JUKOGYO KABUSHIKI KAISHA | 1 | 1994 |
Locations
| Location | Patents | Span |
|---|---|---|
| Chiba, JP | 5 | 1995–1999 |
| Tokyo, JP | 4 | 1977–1995 |
| Nagoya, JP | 3 | 1994–1996 |
| Chuo-ku, JP | 1 | 2001 |
| Oyama, JP | 1 | 1993 |