MS

Makoto Shiga

DI Daicel Chemical Industries: 2 patents #308 of 893Top 35%
DA Daicel: 1 patents #265 of 523Top 55%
Overall (All Time): #1,672,556 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4724849 Narrow-cross sectioned fibers for use in tobacco smoker filters Junji Kawamoto, Atsumu Ohga, Masaharu Takegawa 1988-02-16
4619279 Tobacco smoke filter Akira Miyazawa, Mitsuyosi Miyutani 1986-10-28
4292984 Filter for cigarette smoke Hideo Sawada, Koji Shinohara 1981-10-06