Inventor
Shinzo Tamai
Inventor
Hyogo, JP
Overview
Patents· 28 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H02Mprimary
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 systems40%
H02PControl or regulation of electric motors, electric generators or dynamo-electric converters17%
G01RMeasuring electric variables14%
H02JElectric power networks14%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution9%
B41JTypewriters3%
Y10TTechnical subjects covered by former us classification3%
PatentTitleYear
10,906,306Liquid ejecting head and liquid ejecting apparatus20219,843,272'Power converter capable of outputting a plurality of different levels of voltages'20179,812,992'Power conversion system'20179,806,630'Power conversion device'20179,780,685'Electrical power converter with a converter cell series unit'20179,755,542'Direct-current power transmission power conversion device and direct-current power transmission power conversion method'20179,712,084'Electric power conversion device'20179,564,827'Power conversion device'20179,564,808'Electric power conversion device'20179,099,937'Power converter capable of outputting a plurality of different levels of voltages'20159,048,770'Synchronous machine starting device'20158,872,466'Synchronous-machine starting device'20148,531,144'Synchronous-machine starting device'20138,519,656'Synchronous machine starting device'20138,362,730'Synchronous machine starting device'20136,465,912'Power transfer device'20026,052,297'Power conversion apparatus'20005,991,181'Power conversion apparatus'19995,886,888'Voltage source type power converting apparatus'19995,867,376'DC magnetization suppression in power converter transformers'19995,808,462'Apparatus for detecting the amplitude and phase of an a.c. signal'19985,731,698'Apparatus for detecting the amplitude and phase of an a.c. signal'19985,717,583'Power converter control apparatus for controlling commutation of switching devices under transient conditions'19985,714,877'Apparatus for detecting the amplitude and phase of an A.C. signal'19985,602,469'Apparatus for detecting the amplitude and phase of an a.c. signal'19975,498,955'Apparatus for detecting the amplitude and phase of an a.c. signal'19965,065,304'Controller for AC power converter'19914,885,520'Induction motor controller'1989Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1989–2017Patents assigned to MITSUBISHI ELECTRIC CORP (20)· patent assignee history
1989–1998Based in Hyogo, JP· patent location history
1999–2013Based in Tokyo, JP· patent location history
2013–2015Patents assigned to TOSHIBA MITSUBISHI ELEC INC (6)· patent assignee history
2013–2015Patents assigned to ANDO AKINOBU (5)· patent assignee history
2013–2015Patents assigned to HOSOKAWA YASUHIKO (5)· patent assignee history
2013–2017Based in Minato-ku, JP· patent location history
2017Patents assigned to TOSHIBA MITSUBISHI-ELECTRIC IND SYSTEMS CORP (7)· patent assignee history
2017Based in Chuo-ku, JP· patent location history
2021Based in Shiojiri, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MITSUBISHI ELECTRIC CORP | 20 | 1989–2017 |
| TOSHIBA MITSUBISHI-ELECTRIC IND SYSTEMS CORP | 7 | 2017 |
| TOSHIBA MITSUBISHI ELEC INC | 6 | 2013–2015 |
| ANDO AKINOBU | 5 | 2013–2015 |
| HOSOKAWA YASUHIKO | 5 | 2013–2015 |
Locations
| Location | Patents | Span |
|---|---|---|
| Hyogo, JP | 8 | 1989–1998 |
| Chuo-ku, JP | 7 | 2017 |
| Minato-ku, JP | 6 | 2013–2017 |
| Tokyo, JP | 5 | 1999–2013 |
| Shiojiri, JP | 1 | 2021 |