YT

Yoshiharu Tatsukami

SC Sumitomo Chemical: 3 patents #25 of 315Top 8%
DI Daikin Industries: 1 patents #22 of 80Top 30%
ML Mitsubishi Petrochemical Company Limited: 1 patents #19 of 101Top 20%
📍 Niihama, JP: #2 of 47 inventorsTop 5%
Overall (1989): #5,882 of 140,708Top 5%
3
Patents 1989

Issued Patents 1989

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4868276 Process for producing polyphenylene oxide with alkanolamine and secondary amine Kenji Nagaoka, Masahiro Fujiwara, Katsuhiro Abe, Kazunori Yano, Ryuhei Matsui 1989-09-19
4843113 Aromatic polysulfone resin composition having excellent plating characteristics Masakazu Inoue, Kuniaki Asai, Kazuo Hieda 1989-06-27
4812011 Optical fiber comprising a methacrylate polymer core and a fluoro polymer cladding Toshiki Doi, Masahiko Oka 1989-03-14