YI

Yoichi Izumi

Sumitomo Electric Industries: 23 patents #806 of 21,551Top 4%
PA Panasonic: 2 patents #9,678 of 21,108Top 50%
SU Subaru: 1 patents #677 of 1,436Top 50%
SU Subaru: 1 patents #819 of 1,684Top 50%
Overall (All Time): #141,459 of 4,157,543Top 4%
27
Patents All Time

Issued Patents All Time

Showing 1–25 of 27 patents

Patent #TitleCo-InventorsDate
12236724 Reprogramming tool Yusuke Komatsu 2025-02-25
9623754 Electric vehicle Tsukasa Murakami 2017-04-18
7820330 Alkaline storage battery and method for producing the same Chiaki Iwakura, Naoji Furukawa, Yoshitaka Dansui 2010-10-26
7514174 Electrochemical device including electrolyte Tetsuo Nanno, Yukihiro Okada 2009-04-07
7438990 Electrochemical device including electrolyte Tetsuo Nanno, Yukihiro Okada 2008-10-21
7431819 Method and apparatus for releasing metal-resin joint Tetsuo Nanno 2008-10-07
7358008 Electrochemical device including electrolyte Tetsuo Nanno, Yukihiro Okada 2008-04-15
7335445 Positive electrode active material for alkaline storage battery, positive electrode and alkaline storage battery Hiroyuki Sakamoto, Hidekatsu Izumi 2008-02-26
7326499 Alkaline storage battery Tetsuo Nanno, Hiroyuki Sakamoto 2008-02-05
7294433 Closed alkaline storage battery Shinji Murashige, Tetsuo Nanno, Munehisa Ikoma 2007-11-13
7153607 Alkaline zinc secondary cell and method for preparation thereof Chiaki Iwakura, Naoji Furukawa, Yoshinori Toyoguchi 2006-12-26
7022434 Nickel-metal hydride storage battery and production method thereof Chiaki Iwakura, Naoji Furukawa, Yoshio Moriwaki 2006-04-04
6858347 Paste type positive electrode for alkaline storage battery, and nickel-metal hydride storage battery Futoshi Tanigawa, Akihiro Maeda, Yasushi Nakamura, Yoshitaka Dansui, Kohji Yuasa 2005-02-22
6783892 Positive electrode active material for alkaline storage batteries, and positive electrode and alkaline storage battery using the same Hiroyuki Sakamoto, Hidekatsu Izumi, Toru Inagaki 2004-08-31
6706442 Alkaline storage battery Hiroyuki Sakamoto, Hidekatsu Izumi, Yoshio Moriwaki 2004-03-16
6573006 Non-sintered type positive electrode for alkaline storage battery and alkaline storage battery Hiroshi Nishiyama, Hidekatsu Izumi, Hiroyuki Sakamoto 2003-06-03
6284215 Manufacturing method of active materials for the positive electrode in alkaline storage batteries Hiroyuki Sakamoto, Hidekatsu Izumi, Hirokazu Kimiya, Isao Matsumoto 2001-09-04
6261720 Positive electrode active material for alkaline storage batteries Hirokazu Kimiya, Hiroyuki Sakamoto, Hidekatsu Izumi, Isao Matsumoto 2001-07-17
6255019 Cathode active material for alkaline storage battery and cathode using the same Hiroyuki Sakamoto, Hidekatsu Izumi 2001-07-03
6156456 Positive electrode active material for alkaline storage battery Hiroyuki Sakamoto, Hidekatsu Izumi, Isao Matsumoto 2000-12-05
6153334 Active materials for the positive electrode in alkaline storage battery and the manufacturing method of them Hiroyuki Sakamoto, Hidekatsu Izumi, Isao Matsumoto 2000-11-28
6129902 Manufacturing method of active materials for the positive electrode in alkaline storage batteries Hiroyuki Sakamoto, Hidekatsu Izumi, Hirokazu Kimiya, Isao Matsumoto 2000-10-10
6042753 Active materials for the positive electrode in alkaline storage batteries Hidekatsu Izumi, Hiroyuki Sakamoto, Hirokazu Kimiya, Isao Matsumoto 2000-03-28
5962156 Nickel-metal hydride storage battery and alloy for configuring negative electrode of the same Yoshio Moriwaki, Katsumi Yamashita, Takashi Tokuhiro 1999-10-05
5879429 Method for producing hydrogen storage alloy electrode Yasuharu Yamamura, Norikatsu Akutsu, Yoshio Moriwaki 1999-03-09