YF

Yoshihisa Fujinaga

JR Japan Synthetic Rubber: 5 patents #62 of 558Top 15%
Bridgestone: 3 patents #795 of 2,860Top 30%
📍 Yokkaichi, JP: #645 of 2,072 inventorsTop 35%
Overall (All Time): #1,055,161 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
5504156 Thermoplastic elastomer composition Yoshiyuki Takezaki, Junji Kojina, Kazumi Nejigaki 1996-04-02
5164450 Butadiene copolymer rubber composition Fumio Tsutsumi, Mitsuhiko Sakakibara, Noboru Oshima, Tatsuo Fujimaki 1992-11-17
4824908 Butadiene-based rubber composition Fumio Tsutsumi, Mitsuhiko Sakakibara, Noboru Shimada, Noboru Oshima, Tatsuro Hamada +1 more 1989-04-25
4742117 Conjugated diene based rubber composition Fumio Tsutsumi, Mitsuhiko Sakakibara, Noboru Shimada, Noboru Oshima, Tatsuro Hamada +1 more 1988-05-03
4742124 Rubber composition for use in tire Fumio Tsutsumi, Mitsuhiko Sakakibara, Noboru Oshima, Tatsuo Fujimaki 1988-05-03