TK

Tsutomu Koyama

AC Asahi Glass Co.: 3 patents #625 of 2,251Top 30%
Overall (All Time): #1,625,079 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6311523 Process for forming a glass sheet Gen Kojima, Akira Takada, Masao Unoki, Kiyoshi Matsumoto 2001-11-06
6101845 Process for forming a glass sheet Gen Kojima, Akira Takada, Masao Unoki, Kiyoshi Matsumoto 2000-08-15
4225379 Method of laminating plastic film and shaped metal substrates Tsuneji Ishii, Tetsuro Tsukada, Takeshi Abe 1980-09-30