Inventor
Atsushi Takami
Inventor
Tokyo, JP
Overview
Patents· 17 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B61Lprimary
B61LGuiding railway traffic25%
G06FElectric digital data processing17%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them13%
B60LPropulsion of electrically-propelled vehicles8%
G02BOptical elements, systems or apparatus8%
G07CTime or attendance registers8%
G01CMeasuring distances, levels or bearings4%
G04GElectronic time-pieces4%
G11CStatic stores4%
H04WWireless communication networks4%
PatentTitleYear
11,117,601Radio train control system and radio train control method202111,040,732Wireless train control system, ground control device, and wireless train control method202111,001,282Rail state monitoring apparatus202110,613,953Start test method, system, and recording medium202010,392,039Ground control device and wireless train control system20199,753,829'Power measurement apparatus and power measurement method'20179,733,948'Information processing device, information processing method, and recording medium storing control program'20179,642,163'Train control device'20178,967,553'Train operation control system'20156,796,729'Shutter for camera'20045,719,663'Range finder apparatus'19985,608,488'Data processing device for a camera'19975,175,577'Drive member sensing arrangement for an automatic focusing system of a camera'19925,172,158'Shutter for a single lens reflex camera'19924,959,680'Camera system'19904,755,835'Time recorder with printing wheels and impression hammer'19884,751,521'Time recorder with automatic correction for momentary discontinuation of power supply'1988Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1988–1992Patents assigned to SEIKOSHA KK (5)· patent assignee history
1988–1998Based in Yotsukaido, JP· patent location history
1990–1992Based in Chiba, JP· patent location history
1997–2004Patents assigned to SEIKO PRECISION KK (3)· patent assignee history
2015–2021Patents assigned to MITSUBISHI ELECTRIC CORP (6)· patent assignee history
2015Patents assigned to ASUKA MASASHI (1)· patent assignee history
2015–2021Based in Tokyo, JP· patent location history
2017–2020Patents assigned to FUJITSU LTD (3)· patent assignee history
2017–2020Based in Kawasaki, JP· patent location history
2021Based in Chiyoda-ku, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MITSUBISHI ELECTRIC CORP | 6 | 2015–2021 |
| SEIKOSHA KK | 5 | 1988–1992 |
| FUJITSU LTD | 3 | 2017–2020 |
| SEIKO PRECISION KK | 3 | 1997–2004 |
| ASUKA MASASHI | 1 | 2015 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 5 | 2015–2021 |
| Yotsukaido, JP | 5 | 1988–1998 |
| Kawasaki, JP | 3 | 2017–2020 |
| Chiba, JP | 2 | 1990–1992 |
| Chiyoda-ku, JP | 1 | 2021 |