SY

Seiji Yamaguchi

Sumitomo Electric Industries: 31 patents #458 of 21,551Top 3%
Canon: 30 patents #1,833 of 19,416Top 10%
Honda Motor Co.: 20 patents #634 of 21,052Top 4%
TC Toyoda Gosei Co.: 18 patents #101 of 2,296Top 5%
OC Olympus Optical Co.: 10 patents #326 of 2,334Top 15%
KT Kabushiki Kaisha Toshiba: 8 patents #3,802 of 21,451Top 20%
SG Sumita Optical Glass: 7 patents #7 of 59Top 15%
KM Konica Minolta: 6 patents #346 of 1,361Top 30%
KM Konica Minolta: 3 patents #1,112 of 2,718Top 45%
UI Ube Material Industries: 3 patents #14 of 58Top 25%
TC Toyo Ink Sc Holdings Co.: 2 patents #33 of 144Top 25%
KO Konica: 2 patents #962 of 1,958Top 50%
SC Shibaura Engineering Works Co.: 2 patents #1 of 28Top 4%
IC Ichibiki Co.: 2 patents #4 of 19Top 25%
JC Jidosha Kiki Co.: 2 patents #82 of 196Top 45%
TC Toyo Ink Co.: 2 patents #11 of 41Top 30%
TO Toyota: 1 patents #15,335 of 26,838Top 60%
CF Chubu University Educational Foundation: 1 patents #13 of 38Top 35%
CI Ciba-Geigy: 1 patents #1,572 of 2,867Top 55%
DE Denso: 1 patents #6,940 of 11,792Top 60%
EC Elmo Co.: 1 patents #41 of 62Top 70%
KU Kyoto University: 1 patents #568 of 1,688Top 35%
NB Nec Biglobe: 1 patents #2 of 18Top 15%
OC Ohi Seisakusho Co.: 1 patents #94 of 196Top 50%
OS Olympus Medical Systems: 1 patents #501 of 833Top 65%
PA Panasonic: 1 patents #13,264 of 21,108Top 65%
AE Asahi Kasei E-Materials: 1 patents #57 of 141Top 45%
📍 Kiyosu, JP: #2 of 413 inventorsTop 1%
Overall (All Time): #6,379 of 4,157,543Top 1%
148
Patents All Time

Issued Patents All Time

Showing 126–148 of 148 patents

Patent #TitleCo-InventorsDate
5252863 Drive circuit for use in a semiconductor integrated circuit Tsuguyasu Hatsuda 1993-10-12
5251358 Vacuum cleaner with fuzzy logic Masaru Moro, Tadashi Matsuyo 1993-10-12
5239215 Large scale integrated circuit configured to eliminate clock signal skew effects 1993-08-24
5233682 Vacuum cleaner with fuzzy control Shuji Abe, Haruo Terai, Shinji Kondoh, Yumiko Hara 1993-08-03
5216777 Fuzzy control apparatus generating a plurality of membership functions for determining a drive condition of an electric vacuum cleaner Masaru Moro, Tadashi Matsuyo, Shuji Abe, Hidetoshi Imai 1993-06-08
5208783 Memory unit delay-compensating circuit Kazuki Ninomiya 1993-05-04
5193885 Hydraulic pressure booster system Hiroshi Yoshida 1993-03-16
5182833 Vacuum cleaner Masaru Moro, Saburou Kajikawa, Masahiro Kimura, Hideo Okubo, Tadashi Matsuyo +1 more 1993-02-02
D332588 Motorcycle Mitsuyoshi Kohama, Nobuyuki Kyogoku 1993-01-19
5144715 Vacuum cleaner and method of determining type of floor surface being cleaned thereby Tadashi Matsuyo, Masahiro Kimura, Hideo Okubo, Hiroshi Kawakami, Masaru Moro 1992-09-08
5090259 Pipe-inspecting apparatus having a self propelled unit Yoshio Shishido, Hideyuki Adachi, Hiroki Hibino, Tsutomu Yamamoto, Hirofumi Miyanaga +3 more 1992-02-25
5054002 Memory unit with compensating delay circuit corresponding to a decoder delay Kazuki Ninomiya 1991-10-01
5029126 Cache memory 1991-07-02
4999203 Method for producing miso Shigeki Fukuyasu, Makoto Nakamura, Kyozo Kawachi, Sakan Kinoshita, Tadashi Numata 1991-03-12
4942640 Automatic electric vacuum cleaner with temporary manual override Nobuhiro Hayashi, Toshiichiro Tanaka, Hidetoshi Imai 1990-07-24
4921912 Epoxy resin composition containing acrylic oligomer, amine and amine-terminated nitrile rubber Hirotoshi Sagawa 1990-05-01
4909469 Seat slider assembly Masao Nihei 1990-03-20
4887084 Priority encoder 1989-12-12
4870022 Apparatus and method for producing miso Shigeki Fukuyasu, Makoto Nakamura, Kyozo Kawachi, Sakan Kinoshita, Tadashi Numata 1989-09-26
4820974 Method for measuring a characteristic of semiconductor memory device Joji Katsura, Kazuhiko Tsuji, Eisuke Ichinohe 1989-04-11
4712194 Static random access memory Eisuke Ichinohe, Johji Katsura 1987-12-08
4678052 Power steering apparatus Yoshio Suzuki 1987-07-07
4672584 CMOS integrated circuit Kazuhiko Tsuji, Eisuke Ichinohe 1987-06-09