YA

Yoshiharu Ayabe

HC Honshu Chemical Industry Co.: 2 patents #16 of 64Top 25%
OG Osaka Municipal Government: 1 patents #20 of 54Top 40%
Overall (All Time): #2,261,201 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5763560 Method of producing styrene derivatives Kenzo Tsujimoto, Fujihisa Matsunaga, Ikuzo Nishiguchi, Yoshio Ishino 1998-06-09
5099076 Method for preparing p,p'-biphenol Katsunori Takahashi, Mikio Kawahara, Shunji Yago 1992-03-24