RM

Ryoichi Murakami

NC Nippon Paint Holdings Co.: 5 patents #118 of 834Top 15%
AP Amchem Products: 1 patents #31 of 57Top 55%
Overall (All Time): #526,725 of 4,157,543Top 15%
10
Patents All Time

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDate
5770642 Cathodic electrodeposition paint Hirotaka Kanato, Makoto Ando, Yoshio Kojima, Mitsuo Yamada 1998-06-23
4673444 Process for phosphating metal surfaces Koichi Saito, Yasutake Mino 1987-06-16
4533683 Rust preventive cationic electrocoating Yoshiyuki Uyeda, Kanji Nishijima, Tetsuo Yanagihara 1985-08-06
4443273 Method for replenishing chemical in zinc phosphate treatment Koichi Saito, Yasutake Mino, Nobuo Nakatani 1984-04-17
4419147 Phosphating process of metal surface Hideo Shimizu, Takashi Yoshii, Minoru Ishida, Hiroto Yonekura 1983-12-06
4338141 Formation of zinc phosphate coating on metallic surface Takashi Senzaki, Kiyotada Yasuhara, Masashi Takahashi 1982-07-06
4311535 Composition for forming zinc phosphate coating over metal surface Kiyotada Yasuhara, Masashi Takahashi, Takashi Senzaki 1982-01-19
4292096 Phosphating process of metal surface Hideo Shimizu, Takashi Yoshii, Minoru Ishida, Hiroto Yonekura 1981-09-29
4287004 Dip phosphating process Hideo Shimizu, Syuzi Sato 1981-09-01
4181539 Process of phosphating an iron substrate in a closed system using aromatic nitro compound accelerators Yukio Anegawa, Minoru Ishida, Keizi Masada 1980-01-01