Inventor
Tuyoshi Kato
Inventor
Tokyo, JP
Overview
Patents· 4 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B24Bprimary
B24BMachines, devices, or processes for grinding or polishing17%
C02FTreatment of water, waste water, sewage, or sludge17%
G11BInformation storage based on relative movement between record carrier and transducer17%
H01RElectrically-conductive connections17%
H05KPrinted circuits17%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1017%
PatentTitleYear
10,840,655Production method of input/output device, and input/output device20205,981,394'Chemical mechanical polishing method, polisher used in chemical mechanical polishing and method of manufacturing semiconductor device'19994,742,218'Focus error detection apparatus utilizing focusing an front and rear sides of focal planes'19883,944,478'Electrolytic drainage treating apparatus'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976Patents assigned to MITSUBISHI ELECTRIC CORP (1)· patent assignee history
1976Based in Nagoya, JP· patent location history
1988Patents assigned to HITACHI LTD (1)· patent assignee history
1988Based in Hachioji, JP· patent location history
1999Patents assigned to TOSHIBA KK (1)· patent assignee history
1999Based in Mie, JP· patent location history
2020Patents assigned to YOKOGAWA ELECTRIC CORP (1)· patent assignee history
2020Based in Tokyo, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HITACHI LTD | 1 | 1988 |
| MITSUBISHI ELECTRIC CORP | 1 | 1976 |
| TOSHIBA KK | 1 | 1999 |
| YOKOGAWA ELECTRIC CORP | 1 | 2020 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 1 | 2020 |
| Mie, JP | 1 | 1999 |
| Hachioji, JP | 1 | 1988 |
| Nagoya, JP | 1 | 1976 |