TT

Tadao Takeyama

ML Mitsubishi Petrochemical Company Limited: 3 patents #122 of 670Top 20%
Sumitomo Electric Industries: 1 patents #13,249 of 21,551Top 65%
📍 Ibaraki, JP: #2,661 of 6,779 inventorsTop 40%
Overall (All Time): #1,656,147 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5371236 Non-crystalline ether-imide type high purity bismaleimide composition and process for producing the same Kaoru Kanayama, Takeshi Nakato, Yoshinobu Ohnuma, Hiromi Chiba 1994-12-06
4923942 Optical disc and method of manufacturing the same Mitsutoshi Aritomi 1990-05-08
4734477 Method for cast molding plastic substrate Takao Inoue, Tadashi Sakairi, Mitsutoshi Aritomi, Takahiro Matsuo 1988-03-29