Shuji Yamamoto

NM Nippon Steel & Sumitomo Metal: 8 patents #93 of 1,491Top 7%

TC Toyoda Gosei Co.: 5 patents #462 of 2,296Top 25%

NS Nippon Steel: 5 patents #528 of 4,423Top 15%

UI Ube Industries: 4 patents #315 of 1,686Top 20%

Sumitomo Electric Industries: 4 patents #6,367 of 21,551Top 30%

TO Toyota: 3 patents #8,352 of 26,838Top 35%

Fujitsu Limited: 3 patents #8,614 of 24,456Top 40%

Kawasaki: 3 patents #725 of 2,943Top 25%

NS NS Sumikin Stainless: 2 patents #32 of 78Top 45%

SC Sankei Giken Kogyo Co.: 2 patents #7 of 64Top 15%

AK Aisan Kogyo Kabushiki Kaisha: 2 patents #232 of 642Top 40%

KS Kobe Steel: 1 patents #857 of 2,031Top 45%

Kyocera: 1 patents #2,054 of 3,732Top 60%

BO Bose: 1 patents #696 of 1,083Top 65%

Aisin Seiki Kabushiki Kaisha: 1 patents #2,094 of 3,782Top 60%

Yamaha: 1 patents #1,232 of 2,001Top 65%

YE Yokogawa Electric: 1 patents #658 of 1,441Top 50%

SI Sumitomo Metal Industries: 1 patents #630 of 1,462Top 45%

KC Konami Digital Entertainment Co.: 1 patents #313 of 611Top 55%

OC Osaka Gas Co.: 1 patents #252 of 689Top 40%

📍 Kobe, MA: #1 of 1 inventorsTop 100%

Overall (All Time): #52,023 of 4,157,543Top 2%

Patents All Time

Issued Patents All Time

Showing 51–51 of 51 patents

Patent #	Title	Co-Inventors	Date
4247443	Aromatic polyimide resin composition	Ichiro Sasaki, Hiroshi Itatani, Mikito Kashima, Hataaki Yoshimoto, Yoshikazu Sasaki	1981-01-27