YS

Yoshio Sakai

HI Hitachi: 55 patents #211 of 28,497Top 1%
Fujitsu Limited: 11 patents #2,845 of 24,456Top 15%
GC Goo Chemical Co.: 9 patents #1 of 39Top 3%
TA Tanita: 9 patents #14 of 216Top 7%
SO Sony: 6 patents #6,793 of 25,231Top 30%
NK Nihon Kohden: 6 patents #66 of 467Top 15%
TC Totoku Electric Co.: 3 patents #8 of 92Top 9%
FL Fujitsu Optical Components Limited: 2 patents #42 of 126Top 35%
NC Nissin Chemical Industry Co.: 2 patents #21 of 83Top 30%
SC Shionogi & Co.: 2 patents #396 of 1,054Top 40%
NU National University Corporation Kagawa University: 2 patents #54 of 277Top 20%
Kawasaki: 1 patents #1,551 of 2,943Top 55%
FL Furuno Electric Company Limited: 1 patents #215 of 407Top 55%
HC Hitachi Elevator Engineering And Service Co.: 1 patents #5 of 27Top 20%
HC Hitachi Engineering Co.: 1 patents #187 of 572Top 35%
HE Hitachi Vlsi Engineering: 1 patents #390 of 666Top 60%
HT Htc: 1 patents #822 of 1,407Top 60%
FC France Bed Co.: 1 patents #23 of 50Top 50%
RT Renesas Technology: 1 patents #1,991 of 3,337Top 60%
UN Unknown: 1 patents #29,356 of 83,584Top 40%
Overall (All Time): #11,735 of 4,157,543Top 1%
111
Patents All Time

Issued Patents All Time

Showing 76–100 of 111 patents

Patent #TitleCo-InventorsDate
5028975 Semiconductor devices and a process for producing the same Kouichi Nagasawa, Osamu Minato, Toshiaki Masuhara, Satoshi Meguro 1991-07-02
5025896 Elevator control apparatus Noboru Arabori, Hideaki Takahashi, Masao Nakazato, Masakatsu Tanaka, Tatsuhiko Takahashi +3 more 1991-06-25
4995479 Display guide apparatus of elevator and its display method Michio Fujiwara, Hiroshi Matsumaru, Yasushi Kobayashi, Kenzi Yoneda, Osamu Dohi +1 more 1991-02-26
4982815 Elevator apparatus Noboru Arabori, Hideaki Takahashi, Tsutomu Sano, Masao Nakazato, Masakatsu Tanaka +3 more 1991-01-08
4970564 Semiconductor memory device having stacked capacitor cells Shinichiro Kimura, Naotaka Hashimoto, Tokuo Kure, Yoshifumi Kawamoto 1990-11-13
4955253 Self-locking knob for adjustable control mechanism Takeshi Yamada 1990-09-11
4907058 Complementary semiconductor device having a double well 1990-03-06
4901128 Semiconductor memory Hideo Sunami, Tokuo Kure, Masanobu Miyao, Yoshifumi Kawamoto, Katsuhiro Shimohigashi +4 more 1990-02-13
4884182 Current source power converting apparatus with overvoltage protection Takeki Ando, Kiyoshi Nakamura, Toshisuke Mine, Hiromi Inaba, Toshiaki Kurosawa +1 more 1989-11-28
4853894 Static random-access memory having multilevel conductive layer Toshiaki Yamanaka, Norio Suzuki, Yoshifumi Kawamoto, Osamu Minato, Koichiro Ishibashi +2 more 1989-08-01
4852694 Elevator starting compensation method and apparatus Noboru Arabori, Hideaki Takahashi, Kenji Yoneda 1989-08-01
4849801 Semiconductor memory device having increased capacitance for the storing nodes of the memory cells Shigeru Honjyo, Osamu Minato, Toshiaki Yamanaka, Katsuhiro Shimohigashi, Toshiaki Masuhara 1989-07-18
4805147 Stacked static random access memory cell having capacitor Toshiaki Yamanaka, Tetsuya Hayashida, Osamu Minato, Katsuhiro Shimohigashi, Toshiaki Masuhara 1989-02-14
4797717 Semiconductor memory device Koichiro Ishibashi, Osamu Minato, Toshiaki Masuhara, Toshiaki Yamanaka, Naotaka Hashimoto +4 more 1989-01-10
4792841 Semiconductor devices and a process for producing the same Kouichi Nagasawa, Osamu Minato, Toshiaki Masuhara, Satoshi Meguro 1988-12-20
4785342 Static random access memory having structure of first-, second- and third-level conductive films Toshiaki Yamanaka, Shinpei Iijima, Osamu Minato, Shigeru Honjyo 1988-11-15
4779709 Apparatus for controlling AC elevators Nobuo Mitsui, Masao Nakazato, Mitsuyuki Honbu, Shigeta Ueda, Seiya Shima +5 more 1988-10-25
4768076 Recrystallized CMOS with different crystal planes Masaaki Aoki, Toshiaki Masuhara, Terunori Warabisako, Shoji Hanamura, Seiichi Isomae +2 more 1988-08-30
4756389 Apparatus for detecting a position of a cage in a hydraulic elevator Kazuhiro Sakata, Tsutomu Sano, Yoichi Ono 1988-07-12
4707718 Read-only memory Ryo Nagai, Shuichi Yamamoto, Hideo Nakamura, Kouki Noguchi 1987-11-17
4629034 Elevator control apparatus Hiromi Inaba, Hajime Nakashima, Hisakatsu Kiwaki, Akiteru Ueda, Takeki Ando +1 more 1986-12-16
4609835 Semiconductor integrated circuit Toshiaki Masuhara, Osamu Minato, Toshio Sasaki 1986-09-02
4584636 AC-to-DC power converter with improved power factor and overvoltage suppression Takeki Ando, Toshiaki Kurosawa, Hiroaki Kuroha 1986-04-22
4574186 Heating sheet Takeshi Yamada 1986-03-04
4549340 Method of making CMOS semiconductor device using specially positioned, retained masks, and product formed thereby Kouichi Nagasawa, Shuji Ikeda, Norio Suzuki 1985-10-29