MY

Masao Yoshikawa

Ricoh Company: 3 patents #34 of 604Top 6%
MI Mitsui Toatsu Chemicals, Incorporated: 1 patents #94 of 323Top 30%
Sumitomo Electric Industries: 1 patents #611 of 1,892Top 35%
Overall (1994): #2,926 of 165,921Top 2%
5
Patents 1994

Issued Patents 1994

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
5350459 Organic photovoltaic element Tetsuro Suzuki, Kazukiyo Nagai, Hiroshi Ikuno 1994-09-27
5350653 Electrophotographic photoconductor Masayuki Shoshi, Masakatsu Shimoda, Akiko Konishi, Megumi Kawahara, Akio Kojima +1 more 1994-09-27
5326678 High dielectric polymeric optical recording medium Akio Kojima, Takeo Yamaguchi, Isamu Shibata, Kaoru Teramura 1994-07-05
5288843 Polyimides, process for the preparation thereof and polyimide resin compositions Shoji Tamai, Masahiro Ohta, Saburo Kawashima, Katsuaki Iiyama, Hideaki Oikawa +2 more 1994-02-22
5285959 Air heating apparatus Masayuki Nanba, Yoshikazu Matsuda, Akio Taki, Takashi Nishikawa, Hiroshi Ishihara +1 more 1994-02-15