KT

Kyoji Tsutsui

Ricoh Company: 5 patents #6 of 170Top 4%
Overall (1982): #1,062 of 81,411Top 2%
5
Patents 1982

Issued Patents 1982

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
4363859 Electrophotographic photoconductor Masaomi Sasaki 1982-12-14
4332948 Novel hydrazone compounds and process for preparing the same Kiyoshi Sakai, Mitsuru Hashimoto 1982-06-01
4327020 Bis-azo compounds Masaomi Sasaki, Masafumi Ohta 1982-04-27
4314015 Electrophotographic sensitive materials containing disazo compounds Mitsuru Hashimoto, Kiyoshi Sakai, Masafumi Ohta, Akio Kozima, Masaomi Sasaki 1982-02-02
4314016 Electrophotographic element having a bisazo photoconductor Masafumi Ohta, Mitsuru Hashimoto 1982-02-02