RS

Riichiro Shirota

KT Kabushiki Kaisha Toshiba: 5 patents #16 of 1,641Top 1%
Overall (1994): #2,709 of 165,921Top 2%
5
Patents 1994

Issued Patents 1994

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
5361227 Non-volatile semiconductor memory device and memory system using the same Tomoharu Tanaka, Masaki Momodomi, Hideo Kato, Hiroto Nakai, Yoshiyuki Tanaka +8 more 1994-11-01
5355332 Electrically erasable programmable read-only memory with an array of one-transistor memory cells Tetsuo Endoh 1994-10-11
5323039 Non-volatile semiconductor memory and method of manufacturing the same Masamichi Asano, Hiroshi Iwahashi, Ryouhei Kirisawa, Ryozo Nakayama, Satoshi Inoue +2 more 1994-06-21
5321699 Electrically erasable and programmable non-volatile memory system with write-verify controller using two reference levels Tetsuo Endoh, Kazunori Ohuchi, Ryouhei Kirisawa, Seiichi Aritome, Tomoharu Tanaka +1 more 1994-06-14
5293337 Electrically erasable programmable read-only memory with electric field decreasing controller Seiichi Aritome, Ryouhei Kirisawa, Yoshihisa Iwata, Masaki Momodomi 1994-03-08