Tadashi Matsumoto

Canon: 20 patents #3,238 of 19,416Top 20%

FC Fuji Kiko Co.: 16 patents #5 of 208Top 3%

PA Panasonic: 13 patents #1,866 of 21,108Top 9%

NN Ntt Mobile Communications Network: 8 patents #24 of 253Top 10%

Mitsubishi Electric: 7 patents #4,301 of 25,717Top 20%

MC Maruzen Petrochemical Co.: 6 patents #11 of 174Top 7%

AT Autonetworks Technologies: 5 patents #322 of 1,079Top 30%

ND Ntt Docomo: 5 patents #466 of 1,706Top 30%

SS Sumitomo Wiring Systems: 5 patents #684 of 2,615Top 30%

Sumitomo Electric Industries: 5 patents #5,365 of 21,551Top 25%

Honda Motor Co.: 3 patents #6,619 of 21,052Top 35%

NT NTT: 3 patents #1,627 of 4,871Top 35%

MC Maruzen Oil Co.: 3 patents #2 of 32Top 7%

Apple: 2 patents #9,168 of 18,612Top 50%

HI Hitachi: 2 patents #13,388 of 28,497Top 50%

HC Hitachi Electronics Engineering Co.: 2 patents #32 of 175Top 20%

KT Kabushiki Kaisha Toshiba: 2 patents #9,982 of 21,451Top 50%

Nokia: 2 patents #1,830 of 5,652Top 35%

Sharp Kabushiki Kaisha: 2 patents #5,184 of 10,731Top 50%

TC Tachi-S Co.: 2 patents #129 of 398Top 35%

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

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

KC Kyowa Co.: 1 patents #20 of 64Top 35%

HE Hitachi Kokusai Electric: 1 patents #493 of 843Top 60%

DI Dic: 1 patents #467 of 844Top 60%

CH Chiyoda: 1 patents #141 of 358Top 40%

TO Toshiba: 1 patents #1,121 of 2,688Top 45%

TC Toray Advanced Film Co.: 1 patents #19 of 50Top 40%

TI Toray Industries: 1 patents #2,000 of 3,690Top 55%

NC National House Industrial Co.: 1 patents #9 of 12Top 75%

NE Nec: 1 patents #7,889 of 14,502Top 55%

NU Nagasaki University: 1 patents #17 of 133Top 15%

📍 Yokkaichi, CA: #5 of 18 inventorsTop 30%

Overall (All Time): #13,033 of 4,157,543Top 1%

Issued Patents All Time

Showing 101–105 of 105 patents

Patent #	Title	Co-Inventors	Date
4657206	Door installation and a locking device used therein	Katsuya Fukakura	1987-04-14
4368337	Process for converting glycol dialkyl ether	Kinya Tawara, Hiroki Kamiyama, Shigenori Nakashizu, Takashi Kaneko, Tadahiro Wakui	1983-01-11
4345102	Process for producing ethylene glycol mono-t-butyl ether	Osamu Kuratani, Yasunori Hirose, Susumu Toba	1982-08-17
4337472	Recording head for use in electrostatic recorders	Youiti Shimizu, Takeo Tsumura, Syunzi Nakai	1982-06-29
4299997	Process for producing ethylene glycol mono-tert-butyl ether	Osamu Kuratani, Yasunori Hirose, Susumu Toba	1981-11-10