MO

Masafumi Ohta

Ricoh Company: 4 patents #12 of 170Top 8%
Overall (1982): #1,860 of 81,411Top 3%
4
Patents 1982

Issued Patents 1982

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
4365014 Electrophotographic photoconductor Kiyoshi Sakai, Mitsuru Hashimoto, Masaomi Sasaki 1982-12-21
4327020 Bis-azo compounds Masaomi Sasaki, Kyoji Tsutsui 1982-04-27
4314015 Electrophotographic sensitive materials containing disazo compounds Mitsuru Hashimoto, Kiyoshi Sakai, Akio Kozima, Masaomi Sasaki, Kyoji Tsutsui 1982-02-02
4314016 Electrophotographic element having a bisazo photoconductor Mitsuru Hashimoto, Kyoji Tsutsui 1982-02-02