TK

Takeshi Koyama

MC Mitsubishi Gas Chemical Company: 1 patents #21 of 99Top 25%
Canon: 1 patents #1,398 of 3,266Top 45%
Overall (2011): #64,042 of 364,097Top 20%
2
Patents 2011

Issued Patents 2011

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
8034962 Acid anhydride ester and composition thereof, and heat-curable resin composition and cured product thereof Tomohiro Sugawara, Atsushi Okoshi, Takashi Sato, Shuichi Ueno 2011-10-11
7932952 Light quantity adjusting device, optical system having the same, and image taking apparatus Yasunori Murata 2011-04-26