MI

Masaaki Iwasa

HS Hitachi Automotive Systems: 7 patents #226 of 1,636Top 15%
HT Hitachi Plant Technologies: 2 patents #55 of 279Top 20%
HE Hitachi Vehicle Energy: 1 patents #57 of 95Top 60%
SC Sumitomo Chemical: 1 patents #2,469 of 4,033Top 65%
VJ Vehicle Energy Japan: 1 patents #42 of 73Top 60%
📍 Hitachinaka, JP: #430 of 2,447 inventorsTop 20%
Overall (All Time): #405,888 of 4,157,543Top 10%
12
Patents All Time

Issued Patents All Time

Showing 1–12 of 12 patents

Patent #TitleCo-InventorsDate
11552377 Rectangular secondary battery Kazuaki Urano, Takuro Tsunaki, Sho Matsumoto 2023-01-10
10608286 Secondary cell Osamu Kubota, Hitoshi NISHIMORI, Akihide Tanaka 2020-03-31
10388939 Secondary battery Kazuaki Urano, Keisuke Sawada, Takuro Tsunaki 2019-08-20
10147925 Square secondary battery Takuro Tsunaki, Kazuaki Urano, Sho Saimaru, Sho Matsumoto 2018-12-04
9843028 Secondary battery Takuro Tsunaki, Takashi Sasaki 2017-12-12
9741994 Secondary battery with current breaking mechanism Kazuaki Urano, Takuro Tsunaki, Sho Matsumoto 2017-08-22
9620762 Electrical storage element Takuro Tsunaki, Kazuaki Urano, Sho Saimaru, Sho Matsumoto 2017-04-11
9391308 Secondary battery Takuro Tsunaki, Takashi Sasaki 2016-07-12
8673470 Secondary cell Kinya Aota, Toshiro Fujita, Kouichi Kajiwara 2014-03-18
8426766 Welding method and welding apparatus for an impeller Takeshi Tsukamoto, Yoshihisa Maeda, Hiromi Kobayashi, Hideto Nogiwa, Tetsuya Kuwano +1 more 2013-04-23
8408873 Welding slot sealing structure and welding method Takeshi Tsukamoto, Hideto Nogiwa, Tetsuya Kuwano, Yoshihisa Maeda, Hiromi Kobayashi +1 more 2013-04-02
4605779 Method for the production of tiglic aldehyde Teruo Matsuda, Shinkichi Shimizu 1986-08-12