HT

Hiroko Tsukada

Dai Nippon Printing Co.: 3 patents #744 of 2,222Top 35%
Overall (All Time): #1,639,563 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5769273 Pouring spout Yasuyuki Sasaki, Takehiko Bizen, Hiroshi Miyama, Takeshi Morisako 1998-06-23
5551600 Bag-in-carton and pouring spout thereof Yasuyuki Sasaki, Takehiko Bizen, Hiroshi Miyama, Takeshi Morisako 1996-09-03
5433345 Bag-in-carton and pouring spout thereof Yasuyuki Sasaki, Takehiko Bizen, Hiroshi Miyama, Takeshi Morisako 1995-07-18