Inventor
YUKI ICHIKAWA
Inventor
JP
Overview
Patents· 6 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F16Dprimary
F16DCouplings for transmitting rotation27%
B61HBrakes or other retarding devices specially adapted for rail vehicles20%
B22FWorking metallic powder7%
B60BVehicle wheels7%
B65HHandling thin or filamentary material, e.g. sheets, webs, cables7%
C22CAlloys7%
H01GCapacitors7%
H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy7%
H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light7%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution7%
PatentTitleYear
12,567,717System and method for amplification of green laser pulses202612,031,597Brake disk unit for railway vehicle202411,674,206Sintered friction material for railway vehicles and method for producing the same202311,480,223Aerodynamic noise reduction member, railroad vehicle brake disk unit, railroad vehicle disk brake, railroad vehicle wheel, and railroad vehicle202211,466,737Brake disc for railway vehicle202211,271,242Lithium ion secondary battery2022Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2022–2024Patents assigned to NIPPON STEEL CORP (4)· patent assignee history
2022Patents assigned to HIGASHI NIPPON RYOKAKU TETSUDO (1)· patent assignee history
2022Patents assigned to NIPPON STEEL & SUMITOMO METAL CORP (1)· patent assignee history
2022–2024Based in JP· patent location history
2023Patents assigned to FINE SINTER CO LTD (1)· patent assignee history
2026Patents assigned to IMRA AMERICA INC (1)· patent assignee history
2026Based in US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| NIPPON STEEL CORP | 4 | 2022–2024 |
| FINE SINTER CO LTD | 1 | 2023 |
| HIGASHI NIPPON RYOKAKU TETSUDO | 1 | 2022 |
| IMRA AMERICA INC | 1 | 2026 |
| NIPPON STEEL & SUMITOMO METAL CORP | 1 | 2022 |
Locations
| Location | Patents | Span |
|---|---|---|
| JP | 5 | 2022–2024 |
| US | 1 | 2026 |