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 51–75 of 90 patents

Patent #TitleCo-InventorsDate
6153334 Active materials for the positive electrode in alkaline storage battery and the manufacturing method of them Hiroyuki Sakamoto, Hidekatsu Izumi, Yoichi Izumi 2000-11-28
6129902 Manufacturing method of active materials for the positive electrode in alkaline storage batteries Hiroyuki Sakamoto, Hidekatsu Izumi, Hirokazu Kimiya, Yoichi Izumi 2000-10-10
6127064 Jar can for secondary battery Kenichiro Shibata, Yoshio Moriwaki 2000-10-03
6042753 Active materials for the positive electrode in alkaline storage batteries Hidekatsu Izumi, Hiroyuki Sakamoto, Hirokazu Kimiya, Yoichi Izumi 2000-03-28
6030725 Negative electrode for alkaline storage batteries Yoshio Moriwaki, Akihiro Maeda, Hirokazu Kimiya 2000-02-29
6013390 Alkaline storage battery Hirokazu Kimiya, Hidekatsu Izumi, Youichi Izumi, Hiroyuki Sakamoto, Akihiro Maeda 2000-01-11
5845719 Vibrating cutting machine Masao Ohkanda 1998-12-08
5841372 Operation information input device 1998-11-24
5824435 Non-sintered type nickel electrode Hiroshi Kawano, Takayuki Hayashi 1998-10-20
5787852 Intake system for an internal combustion engine Hiroaki Muramatsu 1998-08-04
5681204 Device for detecting a displacement of a blade member of a slicing apparatus Keishi Kawaguchi, Yoshihiro Tadera, Tatsumi Hamasaki 1997-10-28
5477035 High frequency induction and method with temperature control Tetsuo Fusato, Fumitoshi KIMURA, Fujio Matsui 1995-12-19
5466543 Nickel positive electrode for use in alkaline storage battery and nickel-hydrogen storage battery using the same Munehisa Ikoma, Kimie Muramatsu, Hiromu Matsuda, Norikatsu Akutsu 1995-11-14
5455125 Medium or large scale sealed metal oxide/metal hydride battery Munehisa Ikoma, Nobuyasu Morishita, Yoshinori Toyoguchi, Hiromu Matsuda 1995-10-03
5389468 Alkaline storage battery Shozo Fujiwara, Yoichi Izumi, Yoshio Moriwaki 1995-02-14
5346781 Alkaline storage battery Kohji Yuasa, Munehisa Ikoma, Hiroshi Kawano, Osamu Takahashi 1994-09-13
5329173 Signal detecting circuit apparatus Daisuke Murakami, Kenji Kibayashi, Hideki Yoshida, Mitsuaki Nishie, Satoshi Takahashi +1 more 1994-07-12
5322745 Storage battery system Nobuyuki Yanagihara, Eiji Kadouchi, Munehisa Ikoma 1994-06-21
5250369 Alkaline storage battery Kohji Yuasa, Munehisa Ikoma, Hiroshi Kawano, Osamu Takahashi 1993-10-05
5213722 Method of making a separator material for a storage battery Kazutaka Iwasaki, Munehisa Ikoma, Masakazu Ikeyama, Hiroshi Kawano 1993-05-25
5109365 Record information reproducing method with content identifiers Yoshihiko Watanabe, Tsuneyoshi Nagashita, Susumu Niinuma, Isamu Nomura, Kimito Kobayashi +7 more 1992-04-28
5100723 Separator material for storage batteries Kazutaka Iwasaki, Munehisa Ikoma, Masakazu Ikeyama, Hiroshi Kawano 1992-03-31
5034289 Alkaline storage battery and method of producing negative electrode thereof Kohji Yuasa, Munehisa Ikoma, Hiroshi Kawano, Osamu Takahashi 1991-07-23
4994334 Sealed alkaline storage battery and method of producing negative electrode thereof Munehisa Ikoma, Yasuko Ito, Kohji Yuasa, Takashi Hino 1991-02-19
4977043 Rectangular sealed alkaline storage battery with negative electrode comprising hydrogen storage alloy Eiji Kadouchi, Takabumi Fujii, Hiroshi Sato, Takashi Hino 1990-12-11