Masaaki Yamamoto

ND Ntt Docomo: 19 patents #155 of 1,706Top 10%

SO Sony: 15 patents #2,858 of 25,231Top 15%

KT Kabushiki Kaisha Toshiba: 15 patents #1,982 of 21,451Top 10%

FC Furukawa Electric Co.: 14 patents #105 of 2,370Top 5%

OM Omron: 5 patents #619 of 3,089Top 25%

Bridgestone: 4 patents #601 of 2,860Top 25%

TC Toshiba Battery Co.: 4 patents #12 of 145Top 9%

HI Hitachi: 4 patents #8,942 of 28,497Top 35%

KU Kurimoto: 4 patents #10 of 113Top 9%

SC Sumitomo Construction Machinery Co.: 3 patents #19 of 89Top 25%

DC Daifuku Co.: 3 patents #100 of 509Top 20%

NC Nkk Co.: 3 patents #209 of 1,173Top 20%

MI Minolta: 2 patents #592 of 1,109Top 55%

FC Fuji Electric Wire Industries Co.: 2 patents #1 of 5Top 20%

MB Mitsuboshi Belting: 2 patents #123 of 333Top 40%

TM The Research Institute For Electric And Magnetic Materials: 2 patents #5 of 19Top 30%

DC Dainippon Screen Mfg. Co.: 1 patents #531 of 977Top 55%

AK Asahi Kasei Kabushiki Kaisha: 1 patents #556 of 1,220Top 50%

IC Ishikawajima-Harima Heavy Industries Co.: 1 patents #251 of 611Top 45%

HC Howa Plastics Co.: 1 patents #7 of 26Top 30%

FU Fujikura: 1 patents #788 of 1,407Top 60%

FC Furakawa Electric Co.: 1 patents #1 of 49Top 3%

NS Nippon Steel: 1 patents #2,111 of 4,423Top 50%

Overall (All Time): #13,794 of 4,157,543Top 1%

102

Patents All Time

Issued Patents All Time

Showing 101–102 of 102 patents

Patent #	Title	Co-Inventors	Date
4244784	Construction of nuclear reactor core	Renzo Takeda, Kunitoshi Kurihara, Sadao Uchikawa, Michiro Yokomi, Junichi Yamashita +1 more	1981-01-13
4229258	Fuel assembly	Renzo Takeda, Sadao Uchikawa, Kunitoshi Kurihara, Michiro Yokomi, Junichi Yamashita +1 more	1980-10-21