OM

Osamu Maruyama

HO Hoya: 5 patents #232 of 1,290Top 20%
DC Dainippon Ink And Chemicals: 5 patents #79 of 1,002Top 8%
KT Kabushiki Kaisha Toshiba: 4 patents #6,684 of 21,451Top 35%
SC Sumitomo Chemical: 3 patents #1,386 of 4,033Top 35%
YC Yamashita Rubber Co.: 3 patents #10 of 102Top 10%
HS Hitachi Seiko: 2 patents #22 of 106Top 25%
HI Hitachi: 1 patents #17,742 of 28,497Top 65%
KO Konami: 1 patents #203 of 445Top 50%
KC Konami Digital Entertainment Co.: 1 patents #313 of 611Top 55%
HC Hitachi Information Technology Co.: 1 patents #20 of 121Top 20%
TC Thk Co.: 1 patents #245 of 450Top 55%
HM Hitachi Via Mechanics: 1 patents #43 of 109Top 40%
Overall (All Time): #146,314 of 4,157,543Top 4%
27
Patents All Time

Issued Patents All Time

Showing 26–27 of 27 patents

Patent #TitleCo-InventorsDate
4855334 Curable resin composition and its use Hidenobu Ishikawa, Nobuo Takahashi 1989-08-08
4690987 Activation energy-curable resin composition Shigeru Sakakibara, Shunji Arimoto, Hidenobu Ishikawa 1987-09-01