YW

Yoshihiro Wada

KO Konica: 4 patents #14 of 395Top 4%
PK Pentel Kabushiki Kaisha: 1 patents #2 of 17Top 15%
Overall (1994): #2,252 of 165,921Top 2%
5
Patents 1994

Issued Patents 1994

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
5372923 Light-sensitive silver halide photographic material Yasuo Kurachi, Yoichi Saito, Kiyokazu Morita, Hirokazu Koyama 1994-12-13
5364751 Silver halide photographic light-sensitive material using antistatic plastic film Yasuo Kurachi, Kaoru Yaegashi, Yoichi Siato, Akihisa Nakajima 1994-11-15
5352051 Writing instrument Takashi Tamura, Masamitsu Nagahama, Koichi Enuma, Masayuki Kawasaki, Kazuo Sakai +1 more 1994-10-04
5334457 Plastic film having a coating layer comprising a copolyester and a conductive polymer and light-sensitive photographic material using the same Tohru Kobayashi, Noriki Tachibana 1994-08-02
5306606 Biaxially stretched polyester film comprising a coating layer containing a salt of a sulfonic acid type polymer Noriki Tachibana, Tohru Kobayashi 1994-04-26