Inventor
Tomoyuki Ishida
Inventor
Tokyo, JP
Overview
Patents· 12 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G11Bprimary
G11BInformation storage based on relative movement between record carrier and transducer16%
F16DCouplings for transmitting rotation10%
G06FElectric digital data processing10%
A01BSoil working in agriculture or forestry6%
B60KArrangement or mounting of propulsion units or of transmissions in vehicles6%
B60WConjoint control of vehicle sub-units of different type or different function6%
B60YIndexing scheme relating to aspects cross-cutting vehicle technology6%
F16HGearing6%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests6%
B60RVehicles, vehicle fittings, or vehicle parts, not otherwise provided for3%
PatentTitleYear
10,753,407Work vehicle202010,024,372Work vehicle20189,366,303'Tractor'20169,062,619'Engine control device for tractor'20156,584,463'Video searching method, apparatus, and program product, producing a group image file from images extracted at predetermined intervals'20036,449,608'Video searching method and apparatus, video information producing method, and storage medium for storing processing program thereof'20026,068,228'Shovel keeping mechanism in ice making machine with ice storage bin'20005,541,899'Optical pickup device with movable objective lens and stationary focusing and tracking coils'19965,144,607'Objective lens driving device'19925,010,481'Main memory control system for virtual machine'19914,709,139'Coma correction in optical head with astigmatism for focusing error detection'19874,171,901'Device for controlling advance and return movements of original table of electrostatic copying apparatus'1979Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1979–1996Based in Tokyo, JP· patent location history
1987–1996Patents assigned to SONY CORP (3)· patent assignee history
2000Patents assigned to HOSHIZAKI ELECTRIC CO LTD (1)· patent assignee history
2000Based in Shimane, JP· patent location history
2002–2003Patents assigned to HITACHI LTD (2)· patent assignee history
2002–2003Based in Yokohama, JP· patent location history
2015–2020Patents assigned to ISEKI AGRICULT MACH (4)· patent assignee history
2015Patents assigned to ISHIDA TOMOYUKI (1)· patent assignee history
2015–2020Based in Ehime, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| ISEKI AGRICULT MACH | 4 | 2015–2020 |
| SONY CORP | 3 | 1987–1996 |
| HITACHI LTD | 2 | 2002–2003 |
| HOSHIZAKI ELECTRIC CO LTD | 1 | 2000 |
| ISHIDA TOMOYUKIself | 1 | 2015 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 5 | 1979–1996 |
| Ehime, JP | 4 | 2015–2020 |
| Yokohama, JP | 2 | 2002–2003 |
| Shimane, JP | 1 | 2000 |