KI

Kazuya Ishida

Ricoh Company: 1 patents #176 of 604Top 30%
Overall (1994): #109,026 of 165,921Top 70%
1
Patents 1994

Issued Patents 1994

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5370954 Photoconductive composition containing trisazo and disazo compounds Katsuichi Ohta, Masaomi Sasaki, Mitsuru Hashimoto, Tomoyuki Shimada 1994-12-06