Inventor

Tomoaki Ohtsu

Inventor
Yokohama, JP

Overview

3→
Patents
2000–2021
Patent span
Electricity
Primary field (CPC H)

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
AssigneePatentsSpan
MITSUBISHI ELECTRIC CORP12021
MITSUBISHI ELECTRIC LIGHTING CORP12021
SILICON SYSTEMS INC12000
TEXAS INSTRUMENTS INC12003
Locations
LocationPatentsSpan
Yokohama, JP22000–2003
Kanagawa, JP12021