IM

Isao Matsumoto

Sumitomo Electric Industries: 32 patents #425 of 21,551Top 2%
TO Toyota: 23 patents #895 of 26,838Top 4%
SO Sony: 9 patents #4,874 of 25,231Top 20%
KI Kioritz: 4 patents #52 of 197Top 30%
JC Japan Capacitor Industrial Co.: 2 patents #14 of 22Top 65%
Pioneer Electronic: 2 patents #804 of 1,840Top 45%
TC Toyo Advanced Technologies Co.: 1 patents #21 of 40Top 55%
UT University Of Tsukuba: 1 patents #70 of 344Top 25%
YS Yokogawa Medical Systems: 1 patents #29 of 55Top 55%
Mazda Motor: 1 patents #2,563 of 4,755Top 55%
SU Subaru: 1 patents #677 of 1,436Top 50%
Honda Motor Co.: 1 patents #12,035 of 21,052Top 60%
SE Sega Enterprises: 1 patents #260 of 515Top 55%
KM Konica Minolta: 1 patents #1,862 of 2,718Top 70%
DL Denki Kogyo Company, Limited: 1 patents #7 of 32Top 25%
SC Sanyo Electric Co.: 1 patents #3,644 of 6,347Top 60%
Overall (All Time): #17,799 of 4,157,543Top 1%
90
Patents All Time

Issued Patents All Time

Showing 76–90 of 90 patents

Patent #TitleCo-InventorsDate
4972586 Cover for rotary blade of power pruner Tethumi Inomata 1990-11-27
4944711 Extendable/retractable operational sleeve Yoshiaki Hironaka 1990-07-31
4935318 Sealed type nickel-hydride battery and production process thereof Munehisa Ikoma, Hiroshi Kawano, Yasuko Ito 1990-06-19
4925748 Alkaline storage battery using hydrogen absorbing alloy Munehisa Ikoma, Hiroshi Kawano, Osamu Takahashi, Masakazu Ikeyama 1990-05-15
4893971 NC machining apparatus Takahiro Watanabe, Masakazu Suga, Toshimitsu Iwai 1990-01-16
4837119 Sealed storage battery and method for making its electrode Munehisa Ikoma, Hiroshi Kawano, Nobuyuki Yanagihara 1989-06-06
4823056 Pulse-width modulation drive circuit Yoshihiko Watanabe, Tsuneyoshi Nagashita, Susumi Niinuma, Isamu Nomura, Kimito Kobayashi +7 more 1989-04-18
4786255 Group education system Tamihei Hiramatsu, Taiji Kitami, Tetsuzo Kano, Akira Masuda, Yoshiko Matsushita +2 more 1988-11-22
4773086 Operator console for X-ray tomographs Kenjiro Fujita 1988-09-20
H378 Spiked bumper 1987-12-01
4582098 Method of fabricating electrodes for battery Masakazu Ikeyama, Koichi Inoue, Minoru Yamaga 1986-04-15
4578005 Machining reforming apparatus for electrode of resistance welding machine Genzo Fuse, Kaoru Abe 1986-03-25
4445150 Recording in a single track visual signals associated with audio signals recorded in opposed directions in plural tracks Heitaro Nakajima, Kenkichi Umeda, Youichi Kodera, Noriaki Naito, Hiroyuki Yamauchi +4 more 1984-04-24
4251603 Battery electrode Tsutomu Iwaki, Nobuyuki Yanagihara 1981-02-17
4217939 Method for manufacturing electrode for battery Nobuyuki Yanagihara, Mamoru Ishitobi, Tsutomu Iwaki 1980-08-19