TK

Takashi Koyama

Canon: 2 patents #487 of 2,200Top 25%
KC Kunimine Industries Co.: 1 patents #1 of 3Top 35%
MM Mitsubishi Materials: 1 patents #16 of 93Top 20%
Overall (1997): #5,691 of 185,788Top 4%
4
Patents 1997

Issued Patents 1997

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
5686366 Process for producing platelet .alpha.-Al.sub.2 O.sub.3 based ceramic composite Koichi Niihara 1997-11-11
5680830 Excrement treatment for small animals and method of manufacturing the same Yuji Kawaguchi, Masai Sato 1997-10-28
5669047 Charging member, electrophotographic apparatus and charging method using the same Masami Okuda, Hisami Tanaka, Junichi Kishi, Hiroyuki Ohmori, Masafumi Hisamura 1997-09-16
5663283 Polyamide, electrophotographic photosensitive member employing the polyamide, and electrophotographic apparatus, device unit and facsimile machine employing the member Teigo Sakakibara, Kiyoshi Sakai, Noriko Ohtani 1997-09-02