Tetsuya Oishi

MI Mitsui Toatsu Chemicals, Incorporated: 11 patents #95 of 1,543Top 7%

SO Sony: 5 patents #7,785 of 25,231Top 35%

PC Purpose Co.: 3 patents #4 of 34Top 15%

AE Alpine Electronics: 3 patents #99 of 637Top 20%

MC Mitsui Chemicals: 2 patents #873 of 2,279Top 40%

ML Mitsui Mining Company, Limited: 1 patents #30 of 92Top 35%

KS Kawasaki Steel: 1 patents #889 of 1,922Top 50%

📍 Kamakura, JP: #56 of 1,212 inventorsTop 5%

Overall (All Time): #153,930 of 4,157,543Top 4%

Patents All Time

Issued Patents All Time

Showing 26–26 of 26 patents

Patent #	Title	Co-Inventors	Date
4802891	Coal-methanol slurry and its production process	Izumi Yamada, Kazuhiko Hanashita	1989-02-07