AS

Akio Saito

Canon: 78 patents #252 of 19,416Top 2%
AD Adeka: 10 patents #26 of 499Top 6%
HI Hitachi: 8 patents #5,191 of 28,497Top 20%
Mitsubishi Electric: 7 patents #4,301 of 25,717Top 20%
Samsung: 6 patents #19,812 of 75,807Top 30%
NE Nec: 4 patents #3,388 of 14,502Top 25%
TT Tokyo Institute Of Technology: 3 patents #141 of 1,159Top 15%
MC Mitsumi Electric Co.: 3 patents #259 of 935Top 30%
MC Mitsui Chemicals: 2 patents #873 of 2,279Top 40%
JS Jsr: 2 patents #443 of 1,137Top 40%
KC Kyoto Daiichi Kagaku Co.: 2 patents #46 of 118Top 40%
Pioneer Electronic: 2 patents #804 of 1,840Top 45%
HS Hitachi Microcomputer System: 1 patents #104 of 257Top 45%
NC Nippon Electric Co.: 1 patents #251 of 792Top 35%
NC Nippon Mining & Metals Co.: 1 patents #80 of 166Top 50%
NS Nippon Steel: 1 patents #2,111 of 4,423Top 50%
NM Nippon Steel & Sumitomo Metal: 1 patents #786 of 1,491Top 55%
YC Yushiro Chemical Industry Co.: 1 patents #15 of 77Top 20%
Overall (All Time): #8,526 of 4,157,543Top 1%
129
Patents All Time

Issued Patents All Time

Showing 101–125 of 129 patents

Patent #TitleCo-InventorsDate
5262802 Recording head assembly with single sealing member for ejection outlets and for an air vent Seiichiro Karita, Hideo Saikawa, Hiroshi Sugitani, Yoshifumi Hattori, Masami Ikeda +5 more 1993-11-16
5244092 Package for ink jet cartridge Seiichiro Karita 1993-09-14
5237342 Ink jet head and ink jet recording apparatus having an ink container filled with porous material Hideo Saikawa, Seiichiro Karita, Toshio Kashino, Hiroshi Nakagomi, Teruo Arashima +10 more 1993-08-17
5216448 Ink jet recording head carriage and an apparatus with same Yasuhiro Unosawa, Tetsuo Kimura, Kou Hasegawa, Masasumi Nagashima, Keiji Nagira +6 more 1993-06-01
5208604 Ink jet head and manufacturing method thereof, and ink jet apparatus with ink jet head Takashi Watanabe, Kazuaki Masuda, Akira Goto, Hiroshi Kono, Takashi Kanzaki +5 more 1993-05-04
5202808 Magnetic head device with tape guides for magnetic tapes 1993-04-13
5189443 Recording head having stress-minimizing construction Teruo Arashima, Makiko Kimura, Toshio Kashino, Hiroshi Sugitani, Yoshifumi Hattori +4 more 1993-02-23
D331011 Blister package Seiichiro Karita 1992-11-17
D331012 Blister package Seiichiro Karita 1992-11-17
5162818 Ink jet recording head having a window for observation of electrical connection Seiichiro Karita, Hideo Saikawa, Hiroshi Sugitani, Yoshifumi Hattori, Masami Ikeda +3 more 1992-11-10
5155502 Ink-jet cartridge Makiko Kimura, Tsutomu Abe, Hiroshi Nakagomi 1992-10-13
5148192 Liquid jet recording head with nonlinear liquid passages and liquid jet recording apparatus having same Masaaki Izumida, Koichi Sato, Shigeaki Tanaka, Tsuguhiro Fukuda, Nobuyuki Kuwabara +9 more 1992-09-15
5131539 Package for ink jet cartridge Seiichiro Karita 1992-07-21
D327496 Printing head for printer Seiichiro Karita 1992-06-30
D327426 Blister Package Seiichiro Karita 1992-06-30
5095321 Liquid jet recording head joined by a biasing member Makiko Kimura, Tsutomu Abe, Hiroshi Nakagomi, Takashi Watanabe, Norihisa Saito +2 more 1992-03-10
5017946 Ink jet recording head having surface treatment layer and recording equipment having the head Kazuaki Masuda, Toshio Kashino, Takashi Watanabe 1991-05-21
4994825 Ink jet recording head equipped with a discharging opening forming member including a protruding portion and a recessed portion Kazuaki Masuda, Toshio Kashino, Takashi Watanabe 1991-02-19
4982424 Telephone having receive call indicating function and mute/light key Tomoko Tsukamoto, Masahiro Ishigami 1991-01-01
4924193 Volume control circuit for use in portable telephone or the like Masahiro Ishigami 1990-05-08
4912774 Instantaneous voltage drop detector 1990-03-27
4761824 Battery-powered mobile communications apparatus having transmitter reset function 1988-08-02
4646110 Liquid injection recording apparatus Masami Ikeda, Seiichi Aoki, Tadayoshi Inamoto, Katsuyuki Yokoi 1987-02-24
4587534 Liquid injection recording apparatus Seiichi Aoki, Tadayoshi Inamoto, Katsuyuki Yokoi, Masami Ikeda 1986-05-06
4568953 Liquid injection recording apparatus Seiichi Aoki, Tadayoshi Inamoto, Katsuyuki Yokoi, Masami Ikeda 1986-02-04