Ryosuke Nakamura

HI Hitachi: 21 patents #1,645 of 28,497Top 6%

SO Sony: 19 patents #2,183 of 25,231Top 9%

SC Shinagawa Refractories Co.: 8 patents #5 of 162Top 4%

SE Seiko Epson: 6 patents #2,663 of 7,774Top 35%

NI Nipro: 5 patents #45 of 473Top 10%

PA Panasonic: 3 patents #7,617 of 21,108Top 40%

MC Maeda Seisakusho Co.: 3 patents #1 of 13Top 8%

NE Nec: 3 patents #4,195 of 14,502Top 30%

WG W.L. Gore & Associates Gmbh: 2 patents #458 of 1,175Top 40%

LI Lixil: 2 patents #49 of 168Top 30%

SH Santec Holdings: 1 patents #18 of 32Top 60%

NT National Institutes For Quantum Science And Technology: 1 patents #10 of 67Top 15%

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

OM Okazaki Manufacturing: 1 patents #6 of 29Top 25%

DE Denso: 1 patents #6,940 of 11,792Top 60%

SC Sumitomo Osaka Cement Co.: 1 patents #199 of 327Top 65%

TC Tokyo Ohka Kogyo Co.: 1 patents #437 of 684Top 65%

WG W. L. Gore & Associates G.K.: 1 patents #5 of 20Top 25%

Overall (All Time): #22,633 of 4,157,543Top 1%

Issued Patents All Time

Showing 76–80 of 80 patents

Patent #	Title	Co-Inventors	Date
5979720	Nozzle for the continuous casting of steel	Osamu Nomura, Wei Lin	1999-11-09
5868956	Nozzle for use in continuous casting of steel	Takashi Yamamura, Osamu Nomura, Makoto Nakamura, Wei Lin	1999-02-09
5346942	Monolithic refractories	Takashi Yamamura, Hiroshi Kiriyama	1994-09-13
4789652	Basic refractory composition	Kenji Ichikawa, Hiroyuki Sugimoto, Akihiro Morita	1988-12-06
4615953	Lining structure composition for a tundish	Kenji Ichikawa, Hiroyuki Sugimoto, Takashi Yamamura, Kenji Mitsuhata	1986-10-07