TK

Takeshi Koshikawa

MC Mitsubishi Gas Chemical Company: 2 patents #789 of 1,727Top 50%
📍 Tsukuba, JP: #1,315 of 2,818 inventorsTop 50%
Overall (All Time): #2,187,252 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6689336 Carbon foam, graphite foam and production processes of these Koichi Kanno, Hirotaka Tsuruya, Ryuji Fujiura, Fumitaka Watanabe 2004-02-10
5872291 Process for producing benzoyl chlorides Toshihiro Hashimoto, Makoto Takagawa 1999-02-16