YA

Yukio Aoki

NC Nippon Shokubai Co.: 8 patents #143 of 1,108Top 15%
NC Nippon Shokubai Kagaku Kogyo Co.: 5 patents #41 of 341Top 15%
NC Nippon Yakin Kogyo Co.: 4 patents #11 of 74Top 15%
Mitsubishi Electric: 4 patents #7,099 of 25,717Top 30%
MK Mitsubishi Denki K.K.: 2 patents #70 of 577Top 15%
SO Sony: 1 patents #17,262 of 25,231Top 70%
MM Mitsubishi Materials: 1 patents #812 of 1,543Top 55%
OK Otsuka Kagaku Kabushiki Kaisya: 1 patents #86 of 183Top 50%
SC Sumitomo Chemical: 1 patents #2,469 of 4,033Top 65%
HI Hitachi: 1 patents #17,742 of 28,497Top 65%
Overall (All Time): #139,516 of 4,157,543Top 4%
28
Patents All Time

Issued Patents All Time

Showing 26–28 of 28 patents

Patent #TitleCo-InventorsDate
4954650 Method for production of methacrylic acid Tadashi Abe, Mitsuyoshi Manabe, Koji Deguchi, Hiroyuki Uhara 1990-09-04
4873217 Catalyst for oxidation of olefin or tertiary alcohol and process for production thereof Tatsuya Kawajiri, Hideo Onodera, Shinichi Uchida, Masahiro Wada 1989-10-10
4221768 Catalyst for purifying exhaust and waste gases Akira Inoue, Takehiko Suzuki, Koichi Saito, Tetsuji Ono, Takashi Ohara 1980-09-09