YT

Yasuo Takai

IC Idemitsu Petrochemical Co.: 2 patents #182 of 578Top 35%
📍 Himeji, JP: #724 of 1,500 inventorsTop 50%
Overall (All Time): #2,327,405 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4978484 Method of and apparatus for manufacturing biaxially oriented film Masao Takashige, Teruyuki Iwai, Hidenobu Takeichi, Yoshinori Sasaki, Masato Masuoka +1 more 1990-12-18
4869863 Method of and apparatus for tubularly drawing thermoplastic resin Teruyuki Iwai, Masao Takashige, Hidenobu Takeichi, Yoshinori Sasaki 1989-09-26