Kazumasa Yoshida

Ngk Spark Plug Co.: 12 patents #131 of 1,594Top 9%

NL Noritake Co., Limited: 5 patents #11 of 334Top 4%

TC Toshiba Battery Co.: 2 patents #56 of 145Top 40%

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

NE Ntt Electronics: 1 patents #160 of 358Top 45%

WG W.L. Gore & Associates Gmbh: 1 patents #668 of 1,175Top 60%

NC Noritake Super Abrasive Co.: 1 patents #4 of 12Top 35%

JS Jfe Steel: 1 patents #825 of 1,401Top 60%

MM Mitsubishi Materials: 1 patents #812 of 1,543Top 55%

JG Japan Gore-Tex: 1 patents #28 of 90Top 35%

Overall (All Time): #145,653 of 4,157,543Top 4%

Patents All Time

Issued Patents All Time

Showing 26–27 of 27 patents

Patent #	Title	Co-Inventors	Date
4380576	Air cell	Michio Watabe	1983-04-19
4255498	Button-type air cell	—	1981-03-10