Hisayuki Kato

HI Hitachi: 12 patents #3,472 of 28,497Top 15%

SO Sony: 5 patents #7,785 of 25,231Top 35%

RE Renesas Electronics: 3 patents #1,322 of 4,529Top 30%

RT Renesas Technology: 2 patents #1,374 of 3,337Top 45%

Mitsubishi Electric: 2 patents #11,187 of 25,717Top 45%

FC Futaba Industrial Co.: 2 patents #37 of 167Top 25%

YK Ykk: 1 patents #472 of 845Top 60%

YA Ykk Ap: 1 patents #9 of 37Top 25%

SP Sakai Display Products: 1 patents #112 of 175Top 65%

Overall (All Time): #138,321 of 4,157,543Top 4%

Patents All Time

Issued Patents All Time

Showing 26–28 of 28 patents

Patent #	Title	Co-Inventors	Date
5427875	Non-aqueous electrolyte secondary cell	Yoshikatsu Yamamoto, Shigeru Fujita	1995-06-27
5370710	Nonaqueous electrolyte secondary cell	Toru Nagaura	1994-12-06
5053297	Nonaqueous electrolyte secondary battery	Takayuki Yamahira, Masanori Anzai	1991-10-01