KY

Kiyoshi Yoshikawa

SO Sony: 14 patents #3,108 of 25,231Top 15%
SI Seiko Instruments: 12 patents #135 of 1,437Top 10%
KT Kabushiki Kaisha Toshiba: 8 patents #3,802 of 21,451Top 20%
OM Omron: 5 patents #619 of 3,089Top 25%
UN Unknown: 3 patents #7,366 of 83,584Top 9%
NE Nec: 2 patents #5,510 of 14,502Top 40%
NS Nippon Steel: 1 patents #2,111 of 4,423Top 50%
KU Kyoto University: 1 patents #568 of 1,688Top 35%
Overall (All Time): #69,684 of 4,157,543Top 2%
43
Patents All Time

Issued Patents All Time

Showing 26–43 of 43 patents

Patent #TitleCo-InventorsDate
8058845 Battery state monitoring circuit and battery apparatus Yoshihisa Tange, Atsushi Sakurai, Takakazu Ozawa 2011-11-15
7990130 Band gap reference voltage circuit 2011-08-02
7990669 Battery protection circuit and battery device Atsushi Sakurai, Toshiyuki Koike, Kazuaki Sano, Yoshihisa Tange 2011-08-02
7923968 Charge and discharge control circuit and rechargeable power supply device Kazuaki Sano, Toshiyuki Koike, Yoshihisa Tange, Atsushi Sakurai 2011-04-12
7800433 Power supply switching circuit Fumiyasu Utsunomiya, Toshiyuki Tsuzaki, Hiroyuki Masuko, Osamu Uehara, Hiroki Wake +1 more 2010-09-21
7446602 Switched capacitor amplifier circuit and method for operating a switched capacitor amplifier circuit 2008-11-04
6466076 Variable delay circuit having a ramp voltage generating unit 2002-10-15
6313681 Variable delay circuit 2001-11-06
5866198 Method of fabricating a compound semiconductor having a plurality of layers using a flow compensation technique Mitsuo Sato, Tomio Minohoshi 1999-02-02
5455081 Process for coating diamond-like carbon film and coated thin strip Morihiro Okada, Yasushi Yamamoto, Hisayuki Toku 1995-10-03
5395446 Semiconductor treatment apparatus Mokuji Kageyama, Ayako Shimazaki 1995-03-07
5344492 Vapor growth apparatus for semiconductor devices Mitsuo Sato, Yuusuke Sato 1994-09-06
5273553 Apparatus for bonding semiconductor substrates Tadahide Hoshi 1993-12-28
5176783 Semiconductor substrate etching apparatus 1993-01-05
5129827 Method for bonding semiconductor substrates Tadahide Hoshi 1992-07-14
4968375 Etching apparatus Mitsuo Sato, Takashi Fujiwara 1990-11-06
4752180 Method and apparatus for handling semiconductor wafers 1988-06-21
4703222 Hall accelerator with preionization discharge Hisayuki Toku, Makoto Ueda, Hiroshi Tamagaki 1987-10-27