KS

Kiyoshi Sakai

Ricoh Company: 4 patents #12 of 170Top 8%
SC Sankyo Holdings Co.: 1 patents #15 of 51Top 30%
📍 Miyazaki, JP: #1 of 7 inventorsTop 15%
Overall (1982): #1,080 of 81,411Top 2%
5
Patents 1982

Issued Patents 1982

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
4365014 Electrophotographic photoconductor Mitsuru Hashimoto, Masafumi Ohta, Masaomi Sasaki 1982-12-21
4338388 Electrophotographic element with a phenyhydrazone charge transport layer Mitsuru Hashimoto, Tomiko Kawakami 1982-07-06
4332948 Novel hydrazone compounds and process for preparing the same Mitsuru Hashimoto, Kyoji Tsutsui 1982-06-01
4322435 Prostacyclin compounds Koichi Kojima, Shinsaku Kobayashi 1982-03-30
4314015 Electrophotographic sensitive materials containing disazo compounds Mitsuru Hashimoto, Masafumi Ohta, Akio Kozima, Masaomi Sasaki, Kyoji Tsutsui 1982-02-02