Inventor
HIROTSUGU YAMAMOTO
Inventor
JP
Overview
Patents· 14 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
LOC13primary
LOC1340%
G06FElectric digital data processing20%
LOC1013%
G02BOptical elements, systems or apparatus7%
H04NPictorial communication, e.g. television7%
LOC167%
LOC247%
PatentTitleYear
D1099734Watch case2025D1080434Watch case2025D1034474Connector2024D1034473Connector202411,880,527Device to enable touchless operation2024D1009795Connector terminal2024D1001071Connector terminal202311,550,423Device to enable touchless operation2023D0970453Connector housing2022D0959381Connector housing202211,340,475Display device for aerial image having retro-reflective part202211,334,167Tactile presentation device2022D0952024Projector2022D0945611Dermatoscope2022Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2022–2024Patents assigned to JAPAN AVIATION ELECTRONICS IND LTD (6)· patent assignee history
2022–2025Patents assigned to CASIO COMPUTER CO LTD (4)· patent assignee history
2022Patents assigned to TIANMA JAPAN LTD (1)· patent assignee history
2022Patents assigned to UNIV UTSUNOMIYA (1)· patent assignee history
2022–2025Based in JP· patent location history
2023–2024Patents assigned to SHANGHAI TIANMA MICRO ELECT CO (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| JAPAN AVIATION ELECTRONICS IND LTD | 6 | 2022–2024 |
| CASIO COMPUTER CO LTD | 4 | 2022–2025 |
| SHANGHAI TIANMA MICRO ELECT CO | 2 | 2023–2024 |
| TIANMA JAPAN LTD | 1 | 2022 |
| UNIV UTSUNOMIYA | 1 | 2022 |
Locations
| Location | Patents | Span |
|---|---|---|
| JP | 14 | 2022–2025 |