YS

Yoshiaki Sato

PE Pentax: 1 patents #97 of 186Top 55%
DC Daido Metal Company: 1 patents #10 of 21Top 50%
SU Subaru: 1 patents #11 of 61Top 20%
HI Hitachi: 1 patents #867 of 2,942Top 30%
Overall (1997): #5,084 of 185,788Top 3%
4
Patents 1997

Issued Patents 1997

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
5701856 Separate oiling type two cycle engine Toshihiro Nagano, Jun Nishimori, Fusao Tachibana 1997-12-30
5654107 Wear resisting aluminum alloy composite material Tadashi Tanaka, Masaaki Sakamoto, Koichi Yamamoto, Eiji Kato 1997-08-05
5647944 Microwave plasma treatment apparatus Takeshi Tsubaki, Katsuya Watanabe, Hidenori Takesue, Katsuyoshi Kudo, Makoto Nawata 1997-07-15
5625740 Recording and reproducing system in which audio and video signals are recorded in a plurality of sets Nobuya Sakai 1997-04-29