TO

Toshio Okuhara

KA Kaneka: 4 patents #309 of 1,525Top 25%
SK Showa Denko K.K.: 2 patents #639 of 1,736Top 40%
NO Nippon Oil: 1 patents #392 of 773Top 55%
📍 Chiba, TX: #5 of 6 inventorsTop 85%
Overall (All Time): #751,487 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
7531690 Palladium, tungsten and zirconium-based catalyst for production of oxygen-containing compound, production process of the catalyst, and production process of oxygen-containing compound using the catalyst 2009-05-12
7115782 Process for producing aromatic compounds by Friedel-Crafts reaction Tetsuo Nakajo 2006-10-03
6479559 Chlorinated vinyl chloride resin composition for siding extrusion molding and siding molded article using the same Atsushi Takai, Kazumasa Yamane 2002-11-12
6469079 Chlorinated vinyl chloride resin composition Tadashi Tadokoro, Hiroaki Shiota, Takeyuki Suzuki, Minoru Isshiki 2002-10-22
6306950 Chlorinated vinyl chloride resin composition Takeyuki Suzuki, Minoru Isshiki 2001-10-23
6140423 Chlorinated vinyl chloride resin composition Takeyuki Suzuki, Minoru Isshiki 2000-10-31
5750457 Solid acid catalyst for paraffin conversion and process for paraffin conversion using the same Kyutae Na, Makoto Misono 1998-05-12