YH

Yoshio Hagiwara

TC Tokyo Ohka Kogyo Co.: 2 patents #4 of 39Top 15%
Overall (1997): #19,249 of 185,788Top 15%
2
Patents 1997

Issued Patents 1997

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5614251 Method and liquid coating composition for the formation of silica-based coating film on substrate surface Yoshinori Sakamoto, Hatsuyuki Tanaka, Toshimasa Nakayama 1997-03-25
5614271 Method for the formation of a silica-based coating film Tatsuhiko Shibuya, Susumu Okano, Hideya Kobari, Toshimasa Nakayama 1997-03-25