Inventor
Toshiro Tojo
Inventor
Kawasaki, JP
Overview
Patents· 14 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Mprimary
H04MTelephonic communication36%
H02KDynamo-electric machines14%
F16CShafts5%
F16NLubricating5%
G01BMeasuring length, thickness or similar linear dimensions5%
G01DMeasuring not specially adapted for a specific variable5%
H01FMagnets5%
H02HEmergency protective circuit arrangements5%
H02PControl or regulation of electric motors, electric generators or dynamo-electric converters5%
H03FAmplifiers5%
PatentTitleYear
10,371,202Rolling guide device20198,872,449'Distributed-arrangement linear motor and control method of distributed-arrangement linear motor'20148,362,720'Linear motor position detection system'20138,217,538'Linear motor having a slidable element'20127,019,611'Modem coupling circuit for power-line carrier'20065,128,992'Hybrid circuit'19925,113,426'Ground fault detector'19924,995,111'Ring trip circuit for subscriber telephone'19914,935,960'Battery feed circuit'19904,912,429'Operational amplifier'19904,862,309'Protection circuit for battery feed circuit'19894,827,503'Integrated ringing circuit and a ring trip circuit for the same'19894,827,505'Subscriber line interface circuit'19894,588,860'Battery feed circuit for telephone subscriber line'1986Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1986–1992Patents assigned to FUJITSU LTD (9)· patent assignee history
1986–1991Based in Kawasaki, JP· patent location history
1992Based in Machida, JP· patent location history
2006–2019Based in Tokyo, JP· patent location history
2012–2019Patents assigned to THK CO LTD (4)· patent assignee history
2012–2014Patents assigned to TOJO TOSHIRO (3)· patent assignee history
2012–2014Patents assigned to NOMURA YUKI (2)· patent assignee history
2013–2014Patents assigned to ASO TOSHIYUKI (2)· patent assignee history
2014Based in Shinagawa-ku, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| FUJITSU LTD | 9 | 1986–1992 |
| THK CO LTD | 4 | 2012–2019 |
| TOJO TOSHIROself | 3 | 2012–2014 |
| ASO TOSHIYUKI | 2 | 2013–2014 |
| NOMURA YUKI | 2 | 2012–2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kawasaki, JP | 7 | 1986–1991 |
| Tokyo, JP | 4 | 2006–2019 |
| Machida, JP | 2 | 1992 |
| Shinagawa-ku, JP | 1 | 2014 |