YT

Yasufumi Takahashi

Ricoh Company: 42 patents #327 of 9,818Top 4%
PA Panasonic: 27 patents #613 of 21,108Top 3%
SC Sanyo Electric Co.: 11 patents #436 of 6,347Top 7%
HI Hitachi: 5 patents #7,555 of 28,497Top 30%
FU Fujifilm: 5 patents #1,507 of 4,519Top 35%
UI Ube Industries: 2 patents #593 of 1,686Top 40%
FL Fujitsu Semiconductor Limited: 1 patents #612 of 1,301Top 50%
Overall (All Time): #17,541 of 4,157,543Top 1%
91
Patents All Time

Issued Patents All Time

Showing 76–91 of 91 patents

Patent #TitleCo-InventorsDate
8104307 Expander-integrated compressor and refrigeration-cycle apparatus with the same Hiroshi Hasegawa, Takeshi Ogata, Masaru Matsui, Atsuo Okaichi, Masanobu Wada 2012-01-31
8056361 Multi-stage rotary-type fluid machine and refrigeration cycle apparatus Masaru Matsui, Hiroshi Hasegawa, Atsuo Okaichi, Takeshi Ogata, Masanobu Wada 2011-11-15
7993783 Non-aqueous electrolyte secondary battery having positive electrode with high potential Akira Kinoshita, Shingo Tode, Tatsuyuki Kuwahara, Kazuhiro Hasegawa, Hiroyuki Fujimoto +1 more 2011-08-09
7962071 Developing device and image forming apparatus using same Kiyonori Tsuda, Koichi Kato, Yuki Oshikawa, Eriko Maruyama, Koichi Sakata +5 more 2011-06-14
7858237 Nonaqueous electrolyte secondary battery Akira Kinoshita, Shingo Tode, Kazuhiro Hasegawa, Hiroyuki Fujimoto, Ikuro Nakane +1 more 2010-12-28
7825446 Semiconductor device, semiconductor wafer structure and method for manufacturing the semiconductor wafer structure Kenichiro Kajio 2010-11-02
7767343 Nonaqueous electrolyte secondary battery using lithium cobalt oxide as a positive active material and a nonaqueous electrolyte containing a sulfonyl-containing compound Koji Abe, Kazuhiro Miyoshi, Hiroyuki Fujimoto, Akira Kinoshita, Shingo Tode +2 more 2010-08-03
7622223 Nonaqueous electrolyte secondary battery Akira Kinoshita, Shingo Tode, Kazuhiro Hasegawa, Hiroyuki Fujimoto, Ikuro Nakane +1 more 2009-11-24
7608363 Non-aqueous electrolyte secondary battery with vinylene carbonate and divinyl sulfone containing electrolyte Akira Kinoshita, Hiroyuki Fujimoto, Shingo Tode, Kazuhiro Hasegawa, Shin Fujitani 2009-10-27
7455932 Nonaqueous electrolyte secondary battery Hiroyuki Fujimoto, Akira Kinoshita, Toyoki Fujihara, Shingo Tode, Ikuro Nakane +1 more 2008-11-25
7435510 Nonaqueous electrolyte secondary battery Shingo Tode, Hiroyuki Fujimoto, Akira Kinoshita, Kazuhiro Hasegawa, Shin Fujitani 2008-10-14
5073904 Digital signal processing type demodulation method and demodulation circuit Shigeki Nakamura 1991-12-17
4856027 Carrier recovery phase-locked loop Shigeki Nakamura 1989-08-08
4843352 Modulator for generating a burst-like modulated wave Tadayuki Kamisaka, Kazuo Yagi, Shigeki Nakamura 1989-06-27
4737728 Digitally processed demodulator for quadrature modulated signals Shigeki Nakamura, Makoto Ohnishi 1988-04-12
4680556 Digital modulation apparatus Shigeki Nakamura, Makoto Ohnishi 1987-07-14