SY

Seishiro Yamakawa

PA Panasonic: 4 patents #6,180 of 21,108Top 30%
NC Nippon Electric Glass Co.: 3 patents #132 of 437Top 35%
SC Sakai Chemical Industry Co.: 1 patents #121 of 227Top 55%
Overall (All Time): #1,292,388 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
5407872 Glass fiber forming composition, glass fibers obtained from the composition and substrate for circuit board including the glass fibers as reinforcing material Kiyotaka Komori, Shigeru Yamamoto, Jun Naka, Tadashi Kokubo 1995-04-18
5334645 Substrate for circuit board including the glass fibers as reinforcing material Kiyotaka Komori, Shigeru Yamamoto, Jun Naka, Tadashi Kokubo 1994-08-02
5284807 Glass fiber forming composition, glass fibers obtained from the composition and substrate for circuit board including the glass fibers as reinforcing material Kiyotaka Komori, Shigeru Yamamoto, Jun Naka, Tadashi Kukubo 1994-02-08
5275878 Composite dielectric and printed-circuit use substrate utilizing the same Michimasa Tsuzaki, Kiyotaka Komori, Satoshi Fujiki, Akiyoshi Nozue, Kazunobu Abe +1 more 1994-01-04