Tetsuya Tanaka

Sumitomo Electric Industries: 31 patents #458 of 21,551Top 3%

PA Panasonic: 29 patents #544 of 21,108Top 3%

Ricoh Company: 14 patents #1,578 of 9,818Top 20%

Mitsubishi Electric: 12 patents #2,296 of 25,717Top 9%

HI Hitachi: 11 patents #3,813 of 28,497Top 15%

MM Mitsubishi Materials: 6 patents #167 of 1,543Top 15%

Schlumberger Technology: 5 patents #1,262 of 7,293Top 20%

SC Shoei Chemical: 4 patents #23 of 128Top 20%

SO Socionext: 3 patents #87 of 541Top 20%

MC Mitsumi Electric Co.: 3 patents #259 of 935Top 30%

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

SO Sony: 2 patents #12,963 of 25,231Top 55%

TO Toyota: 2 patents #10,861 of 26,838Top 45%

ME Mitsubishi Heavy Industries Engineering: 2 patents #55 of 148Top 40%

SE Sega Enterprises: 1 patents #101 of 368Top 30%

HC Hitachi Chemical Company: 1 patents #1,071 of 1,946Top 60%

JC Jgc Catalysts And Chemicals: 1 patents #74 of 139Top 55%

UN Unicharm: 1 patents #390 of 624Top 65%

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

📍 Yokohama, TX: #6 of 49 inventorsTop 15%

Overall (All Time): #8,529 of 4,157,543Top 1%

129

Patents All Time

Issued Patents All Time

Showing 126–129 of 129 patents

Patent #	Title	Co-Inventors	Date
5374471	Multilayer coated hard alloy cutting tool	Hironori Yoshimura, Yoshikazu Okada	1994-12-20
5372873	Multilayer coated hard alloy cutting tool	Hironori Yoshimura, Akira Osada, Toshikatsu Sudo	1994-12-13
5319270	Electric motor	Toshio Tatsutani, Toshihiko Horii, Yuzi Serizawa	1994-06-07
4625514	Heater head assembly of heated-gas engine	Kazuaki Yamaguchi	1986-12-02