YY

Yutaka Yoshifuji

TK Toa Nenryo Kogyo: 4 patents #53 of 220Top 25%
TC Tonen Chemical: 1 patents #51 of 94Top 55%
TK Tonen Sekiyukagaku K.K.: 1 patents #10 of 24Top 45%
Overall (All Time): #767,168 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
5227233 Polyethylene label and method of preparation thereof Yasushi Itaba 1993-07-13
5145728 Oriented polyethylene film Yasushi Itaba, Takayoshi Kondo, Keichiro Saitoh, Tadao Yoshino, Minoru Izawa +1 more 1992-09-08
5045620 Oriented polyethylene film and production thereof Yasushi Itaba, Takayoshi Kondo, Ichiro Sakamoto 1991-09-03
5043204 Oriented polyethylene film Yasushi Itaba, Takayoshi Kondo, Keichiro Saitoh, Tadao Yoshino, Minoru Izawa +1 more 1991-08-27
5006378 Polyethylene composite film Yasushi Itaba, Takayoshi Kondo, Minoru Izawa, Ichiro Sakamoto, Tadao Yoshino 1991-04-09
4673619 Polyethylene stretched film Yasushi Itaba, Tadao Yoshino, Keichiro Saito, Jyoichi Tabuchi 1987-06-16
4636340 Method of producing crosslinked polyethylene stretched film Yasushi Itaba, Tadao Yoshino, Keichiro Saito, Jyoichi Tabuchi 1987-01-13