Inventor
Kazuhisa Sugiyama
Inventor
Okazaki, JP
Overview
Patents· 12 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B23Hprimary
B23HWorking of metal by the action of a high concentration of electric current on a workpiece using an electrode which takes the place of a tool14%
F16CShafts11%
F16KValves11%
B23QDetails, components, or accessories for machine tools, e.g. arrangements for copying or controlling7%
G05BControl or regulating systems in general7%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution7%
Y02PClimate change mitigation technologies in the production or processing of goods7%
B24BMachines, devices, or processes for grinding or polishing4%
B60KArrangement or mounting of propulsion units or of transmissions in vehicles4%
B60LPropulsion of electrically-propelled vehicles4%
PatentTitleYear
10,534,379Pressure reducing valve20209,874,289Valve main unit and method of manufacturing the same20189,822,884'Valve device and poppet'20179,601,246'Method of manufacturing magnet, and magnet'20176,852,015'Method and apparatus for grinding workpiece surfaces to super-finish surface with micro oil pockets'20056,791,053'Cad/cam device for electric discharge machine'20046,498,962'Numerically controlled machining apparatus for automatically exchanging tools and workpieces'20026,314,336'Numerically controlled machining apparatus for automatically exchanging tools and workpieces'20016,150,627'Electric discharge machining apparatus'20006,071,013'Hydraulic bearing device'20004,974,970'Hydrostatically supporting device for slide'19904,865,465'Hydrostatically supporting device for slide'1989Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1989–2005Patents assigned to TOYODA MACHINE WORKS LTD (4)· patent assignee history
1989–2020Based in Okazaki, JP· patent location history
2000–2004Patents assigned to MITSUBISHI ELECTRIC CORP (4)· patent assignee history
2000–2002Based in Nagoya, JP· patent location history
2004Based in Tokyo, JP· patent location history
2017–2020Patents assigned to JTEKT CORP (4)· patent assignee history
2017–2020Patents assigned to TOYOTA MOTOR CO LTD (3)· patent assignee history
2020Patents assigned to SOKEN INC (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| JTEKT CORP | 4 | 2017–2020 |
| MITSUBISHI ELECTRIC CORP | 4 | 2000–2004 |
| TOYODA MACHINE WORKS LTD | 4 | 1989–2005 |
| TOYOTA MOTOR CO LTD | 3 | 2017–2020 |
| SOKEN INC | 1 | 2020 |
Locations
| Location | Patents | Span |
|---|---|---|
| Okazaki, JP | 8 | 1989–2020 |
| Nagoya, JP | 3 | 2000–2002 |
| Tokyo, JP | 1 | 2004 |