YH

Yoshitsugu Hamada

SD Showa Denko: 3 patents #59 of 593Top 10%
Overall (All Time): #1,668,952 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4980200 Method of producing printed containers for retortable materials Takeshi Takahashi 1990-12-25
4965035 Method of preforming a cover member of a can-shaped container Kiyokazu Ishiwatari, Osamu Yamada 1990-10-23
4828135 Cover for a can-shaped container Yoshihiko Kawakami, Takeshi Takahashi, Junji Yotsuyanagi 1989-05-09