Inventor
Tomoaki Ohtsu
Inventor
Yokohama, JP
Overview
Patents· 3 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G11Bprimary
G11BInformation storage based on relative movement between record carrier and transducer40%
H02HEmergency protective circuit arrangements20%
H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems20%
H05BElectric heating20%
Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2000Patents assigned to SILICON SYSTEMS INC (1)· patent assignee history
2000–2003Based in Yokohama, JP· patent location history
2003Patents assigned to TEXAS INSTRUMENTS INC (1)· patent assignee history
2021Patents assigned to MITSUBISHI ELECTRIC CORP (1)· patent assignee history
2021Patents assigned to MITSUBISHI ELECTRIC LIGHTING CORP (1)· patent assignee history
2021Based in Kanagawa, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MITSUBISHI ELECTRIC CORP | 1 | 2021 |
| MITSUBISHI ELECTRIC LIGHTING CORP | 1 | 2021 |
| SILICON SYSTEMS INC | 1 | 2000 |
| TEXAS INSTRUMENTS INC | 1 | 2003 |
Locations
| Location | Patents | Span |
|---|---|---|
| Yokohama, JP | 2 | 2000–2003 |
| Kanagawa, JP | 1 | 2021 |