Inventor
HIROYUKI TSUKAMOTO
Inventor
JP
Overview
Patents· 22 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
E02Fprimary
E02FDredging32%
LOC1221%
G07CTime or attendance registers6%
H04LTransmission of digital information, e.g. telegraphic communication6%
A61GTransport, personal conveyances, or accommodation specially adapted for patients or disabled persons3%
B60RVehicles, vehicle fittings, or vehicle parts, not otherwise provided for3%
B62JCycle saddles or seats3%
B62KCycles3%
F02DControlling combustion engines3%
G01MTesting static or dynamic balance of machines or structures3%
PatentTitleYear
12,488,101Detection device, detection method and detection program202512,463,971Detection device, detection method, and detection program2025D1097900Chassis of an electric wheelchair2025D1097901Chassis of an electric wheelchair2025D1094200Frame for personal mobility vehicles202512,386,346Support device202512,371,879Shovel and shovel diagnostic system2025D1045692Electric wheelchair2024D1045694Electric wheelchair202411,866,121Electric mobility vehicle202411,828,039Shovel202311,821,161Shovel202311,802,393Shovel202311,781,290Shovel and output device of shovel202311,686,065Shovel2023D0990382Electric wheelchair202311,492,777Shovel and system of managing shovel202211,434,624Shovel202211,299,867Shovel202211,230,823Shovel2022D0940603Basket of electric wheelchair202211,162,244Excavator controlling power of hydraulic pump according to orientation of front work machine2021Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2021–2023Patents assigned to SUMITOMO SHI CONSTR MACH CO (4)· patent assignee history
2021–2025Based in JP· patent location history
2022–2025Patents assigned to WHILL INC (8)· patent assignee history
2022–2025Patents assigned to SUMITOMO CONSTRUCTION MACHINERY CO LTD (7)· patent assignee history
2025Patents assigned to AUTONETWORKS TECHNOLOGIES LTD (2)· patent assignee history
2025Patents assigned to SUMITOMO ELECTRIC INDUSTRIES (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| WHILL INC | 8 | 2022–2025 |
| SUMITOMO CONSTRUCTION MACHINERY CO LTD | 7 | 2022–2025 |
| SUMITOMO SHI CONSTR MACH CO | 4 | 2021–2023 |
| AUTONETWORKS TECHNOLOGIES LTD | 2 | 2025 |
| SUMITOMO ELECTRIC INDUSTRIES | 2 | 2025 |
Locations
| Location | Patents | Span |
|---|---|---|
| JP | 22 | 2021–2025 |