TO

Toshio Ohi

SD Showa Denko: 1 patents #1 of 18Top 6%
SK Showa Denko K.K.: 1 patents #18 of 64Top 30%
Overall (1994): #17,449 of 165,921Top 15%
2
Patents 1994

Issued Patents 1994

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5345015 Process for producing 1,1,2-tetrafluoroethane Hiromoto Ohno, Makoto Miyamura, Tatsuharu Arai, Kazuo Muramaki 1994-09-06
5276223 Process for producing 1,1,1,2-tetrafluoroethane Hiromoto Ohno, Tatsuharu Arai, Kazuo Muramaki, Hidetoshi Nakayama, Yoshitaka Shohji 1994-01-04