YY

Yu Yonezawa

Fujitsu Limited: 40 patents #445 of 24,456Top 2%
Tdk: 7 patents #849 of 3,796Top 25%
FD Fdk: 1 patents #147 of 324Top 50%
FL Fujitsu Media Devices Limited: 1 patents #89 of 136Top 70%
Overall (All Time): #54,362 of 4,157,543Top 2%
50
Patents All Time

Issued Patents All Time

Showing 26–50 of 50 patents

Patent #TitleCo-InventorsDate
9461542 Power supply apparatus Kazunori Hayami, Yoshiyasu Nakashima 2016-10-04
9444350 DC-DC converter with LC resonance circuit and transformer Yoshiyasu Nakashima 2016-09-13
9438107 Control device, control method, and power supply device Tomotake Sasaki, Tsugito Maruyama, Yoshiyasu Nakashima 2016-09-06
9318972 Power circuit Yoshiyasu Nakashima 2016-04-19
9166480 Insulation-type power factor correction circuit Yoshiyasu Nakashima 2015-10-20
8901906 Control circuit and electronic apparatus using the same Yoshiyasu Nakashima 2014-12-02
8773103 Power supply device Yoshiyasu Nakashima 2014-07-08
8749210 Power supply device Hiroshi Nakao, Yoshiyasu Nakashima 2014-06-10
8693222 DC-DC converter, power supply unit and an information processing apparatus Yoshiyasu Nakashima 2014-04-08
8427793 Switching power supply, control circuit for controlling switching power supply, control method of switching power supply and module substrate Naoyuki Mishima 2013-04-23
8378647 Power supply unit and information processor Yoshiyasu Nakashima 2013-02-19
8350415 Switch circuit with inductive load and capacitor Noboru Wakatsuki, Hideaki Deguchi, Naoyuki Mishima 2013-01-08
8258772 DC-DC converter Naoyuki Mishima 2012-09-04
7986507 Variable capacitor Takeaki Shimanouchi, Masahiko Imai, Xiaoyu Mi, Satoshi Ueda 2011-07-26
7965159 Micro-switching device and manufacturing method for the same Tadashi Nakatani, Anh Tuan Nguyen, Satoshi Ueda, Naoyuki Mishima 2011-06-21
7961448 Drive control method and unit for micro machine device Naoyuki Mishima, Takeaki Shimanouchi, Xiaoyu Mi, Takeshi Takano, Nobuhisa Aoki +1 more 2011-06-14
7903386 Apparatus and method for drive controlling micro machine device Takeaki Shimanouchi, Naoyuki Mishima, Satoshi Ueda, Xiaoyu Mi, Masahiko Imai 2011-03-08
7880450 Switching power supply, control circuit controlling switching power supply and control method of switching power supply Naoyuki Mishima 2011-02-01
7786830 Switch with movable portion Noboru Wakatsuki, Naoyuki Mishima, Tadashi Nakatani, Anh Tuan Nguyen 2010-08-31
7755459 Micro-switching device and method of manufacturing the same Anh Tuan Nguyen, Tadashi Nakatani, Satoshi Ueda, Naoyuki Mishima 2010-07-13
7755460 Micro-switching device Anh Tuan Nguyen, Tadashi Nakatani, Satoshi Ueda, Naoyuki Mishima 2010-07-13
7486488 Electric contact switching device and power consumption control circuit Noboru Wakatsuki 2009-02-03
7405639 Switch Naoyuki Mishima, Tadashi Nakatani, Anh Tuan Nguyen, Satoshi Ueda 2008-07-29
7129434 Electric contact device Noboru Wakatsuki, Yoshio Satoh, Tadashi Nakatani, Tsutomu Miyashita 2006-10-31
7053739 Electrical contacting device and method of making the same Noboru Wakatsuki, Yoshio Satoh, Tadashi Nakatani, Tsutomu Miyashita 2006-05-30