Inventor
Seiji Takamatsu
Inventor
Nagano, JP
Overview
Patents· 7 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 systems20%
B41JTypewriters10%
G01NInvestigating or analysing materials by determining their chemical or physical properties10%
G07DHandling of coins or valuable papers, e.g. testing, sorting by denominations, counting, dispensing, changing or depositing10%
G11BInformation storage based on relative movement between record carrier and transducer10%
H02JElectric power networks10%
H04NPictorial communication, e.g. television10%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution10%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests10%
PatentTitleYear
8,107,009'Television connection state detecting device and image display device'20127,683,571'Electronic device, method for controlling the same, and program for the same'20107,586,592'Sheet recognizing device and method'20097,215,517'Constant-voltage switching power supply provided with overvoltage output protecting circuit, and electronic apparatus provided with overvoltage protecting circuit'20076,816,392'Overcurrent output protecting circuit and constant-voltage switching power supply incorporating the same'20046,764,152'Liquid jetting apparatus and method for driving the same'20046,198,586'Voice recording/playback apparatus for producing a noise level of a voice output unit in a voice recording mode'2001Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2001Patents assigned to MITSUMI ELECTRIC CO LTD (1)· patent assignee history
2001Based in Atsugi, JP· patent location history
2004–2012Patents assigned to SEIKO EPSON CORP (5)· patent assignee history
2004–2007Based in Nagano, JP· patent location history
2009Patents assigned to NIPPON CONLUX CO LTD (1)· patent assignee history
2009Based in Saitama, JP· patent location history
2010–2012Based in Kitakyushu, JP· patent location history
2012Patents assigned to TAKAMATSU SEIJI (1)· patent assignee history
2012Patents assigned to TAKITA KAZUYA (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SEIKO EPSON CORP | 5 | 2004–2012 |
| MITSUMI ELECTRIC CO LTD | 1 | 2001 |
| NIPPON CONLUX CO LTD | 1 | 2009 |
| TAKAMATSU SEIJIself | 1 | 2012 |
| TAKITA KAZUYA | 1 | 2012 |
Locations
| Location | Patents | Span |
|---|---|---|
| Nagano, JP | 3 | 2004–2007 |
| Kitakyushu, JP | 2 | 2010–2012 |
| Saitama, JP | 1 | 2009 |
| Atsugi, JP | 1 | 2001 |