TY

Takayuki Yamahira

SO Sony: 10 patents #4,411 of 25,231Top 20%
WC Wako Electronics Co.: 1 patents #7 of 13Top 55%
Overall (All Time): #519,325 of 4,157,543Top 15%
10
Patents All Time

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDate
7989105 Battery pack Fumihiko Suzuki, Osamu Takahashi, Hiroyuki Yamada, Kazuo Togashi, Toru Ishii 2011-08-02
7556885 Battery pack Hiroyuki Yamada, Kazuo Togashi, Toru Ishii, Fumihiko Suzuki 2009-07-07
6746798 Rectangular and sealed battery Masaru Hiratsuka, Yoshinori Hashimoto 2004-06-08
6746799 Lithium phosphate composite positive electrode and non-aqueous electrolyte cell Atsuo Yamada 2004-06-08
6355372 Non-aqueous electrolyte secondary cell Ayaki Watanabe, Toshizou Kameishi, Koji Kihara 2002-03-12
6174625 Anode material, method for producing it and nonaqueous electrolyte cell employing such anode materials Yoshiaki Takeuchi, Norio Mamada 2001-01-16
5709969 Non-aqueous electrolyte secondary cell 1998-01-20
5601950 Non-aqueous electrolyte secondary cell Yoshiaki Takeuchi 1997-02-11
5273842 Non-aqueous electrolyte secondary battery Toru Nagaura 1993-12-28
5053297 Nonaqueous electrolyte secondary battery Hisayuki Kato, Masanori Anzai 1991-10-01