Yoshiaki Nitta

Sumitomo Electric Industries: 29 patents #524 of 21,551Top 3%

Samsung: 9 patents #14,526 of 75,807Top 20%

Nissan Motor Co.: 9 patents #795 of 8,689Top 10%

EJ Envision Aesc Japan: 3 patents #9 of 109Top 9%

SI Sumitomo Metal Industries: 2 patents #334 of 1,462Top 25%

PA Panasonic: 2 patents #9,678 of 21,108Top 50%

KC Kotobuki Sangyo Co.: 1 patents #10 of 25Top 40%

MC Mitsubishi Chemical: 1 patents #1,511 of 3,022Top 50%

Overall (All Time): #49,286 of 4,157,543Top 2%

Patents All Time

Issued Patents All Time

Showing 51–53 of 53 patents

Patent #	Title	Co-Inventors	Date
5308374	Method of manufacturing zinc-alkaline batteries	Hiroshi Yoshizawa, Akira Miura, Sachiko Sugihara	1994-05-03
5168018	Method of manufacturing zinc-alkaline batteries	Hiroshi Yoshizawa, Akira Miura, Sachiko Sugihara	1992-12-01
5128222	Zinc-alkaline batteries	Hiroshi Yoshizawa, Akira Miura, Sachiko Sugihara	1992-07-07