YU

Yutaka Usubuchi

AC Asahi Kasei Kogyo Co.: 4 patents #154 of 1,395Top 15%
Overall (All Time): #1,295,447 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
5177171 Sulfonic acid group-containing polyurethane and a photosensitive resin composition containing the same Takeshi Oguri, Katsuya Nakano 1993-01-05
5053316 Thermoplastic elastomer and photosensitive resin composition based thereon, and printing plate precursor comprising the composition Yoshio Suzuki, Yakeshi Oguri 1991-10-01
4820021 Light-shielding screen and a process for producing the same Masayoshi Mizuno 1989-04-11
4245107 Cephalosporin derivatives and process for preparing the same Chisei Shibuya, Hirataka Itoh, Mitsuaki Akamine 1981-01-13