YI

Yasuo Itoh

KT Kabushiki Kaisha Toshiba: 54 patents #292 of 21,451Top 2%
VJ Victor Company Of Japan: 3 patents #389 of 1,489Top 30%
MM Mitsubishi Mining: 2 patents #467 of 2,247Top 25%
NE Nec: 2 patents #5,510 of 14,502Top 40%
NS Nippon Steel: 2 patents #1,308 of 4,423Top 30%
FL Furuno Electric Company Limited: 1 patents #215 of 407Top 55%
MW Makita Electric Works: 1 patents #25 of 53Top 50%
Overall (All Time): #34,910 of 4,157,543Top 1%
64
Patents All Time

Issued Patents All Time

Showing 26–50 of 64 patents

Patent #TitleCo-InventorsDate
5793696 Non-volatile semiconductor memory device and memory system using the same Tomoharu Tanaka, Masaki Momodomi, Hideo Kato, Hiroto Nakai, Yoshiyuki Tanaka +8 more 1998-08-11
5784315 Semiconductor memory device 1998-07-21
RE35838 Electrically erasable programmable read-only memory with NAND cell structure Masaki Momodomi, Fujio Masuoka, Riichiro Shirota, Kazunori Ohuchi, Ryouhei Kirisawa 1998-07-07
5751634 Non-volatile semiconductor memory device for storing multivalue data and readout/write-in method therefor 1998-05-12
5726882 Non-volatile semiconductor memory device with verify mode for verifying data written to memory cells Junichi Miyamoto, Yoshihisa Iwata 1998-03-10
5724300 Non-volatile semiconductor memory device and memory system using the same Tomoharu Tanaka, Masaki Momodomi, Hideo Kato, Hiroto Nakai, Yoshiyuki Tanaka +8 more 1998-03-03
5657270 Electrically erasable programmable read-only memory with threshold value controller for data programming Kazunori Ohuchi, Tomoharu Tanaka, Yoshihisa Iwata, Masaki Momodomi, Fujio Masuoka 1997-08-12
5642072 High voltage generator circuit Junichi Miyamoto, Shigeru Atsumi 1997-06-24
5615165 Non-volatile semiconductor memory device and memory system using the same Tomoharu Tanaka, Masaki Momodomi, Hideo Kato, Hiroto Nakai, Yoshiyuki Tanaka +8 more 1997-03-25
5557568 Non-volatile semiconductor memory device with verify mode for verifying data written to memory cells Junichi Miyamoto, Yoshihisa Iwata 1996-09-17
5546351 Non-volatile semiconductor memory device and memory system using the same Tomoharu Tanaka, Masaki Momodomi, Hideo Kato, Hiroto Nakai, Yoshiyuki Tanaka +8 more 1996-08-13
5508957 Non-volatile semiconductor memory with NAND cell structure and switching transistors with different channel lengths to reduce punch-through Masaki Momodomi, Fujio Masuoka, Hiroshi Iwahashi, Yoshihisa Iwata, Masahiko Chiba +6 more 1996-04-16
5452249 Non-volatile semiconductor memory device with verify mode for verifying data written to memory cells Junichi Miyamoto, Yoshihisa Iwata 1995-09-19
5440509 Electrically erasable programmable read-only memory with NAND cell structure and intermediate level voltages initially applied to bit lines Masaki Momodomi, Koichi Toita, Yoshihisa Iwata, Fujio Masuoka, Masahiko Chiba +3 more 1995-08-08
5426516 Color image processing apparatus Tsuneo Furuki, Akiyoshi Hamanaka, Kyojiro Sei, Kazuo Hikawa 1995-06-20
5400279 Nonvolatile semiconductor memory device with NAND cell structure Masaki Momodomi, Yoshihisa Iwata, Fujio Masuoka, Masahiko Chiba 1995-03-21
5388084 Non-volatile semiconductor memory device with high voltage generator Sumio Tanaka, Junichi Miyamoto, Hiroshi Nakamura, Yoshihisa Iwata, Kenichi Imamiya +1 more 1995-02-07
5368088 Apparatus of continuously casting a metal sheet Takashi Furuya, Hidemaro Takeuchi, Akio Kasama, Motoya Fujii, Hideki Oka +3 more 1994-11-29
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
5327395 Page-mode type memory writing control circuit using end-of-page address Yoshihisa Sugiura, Yoshihisa Iwata, Masaki Momodomi, Tomoharu Tanaka, Yoshiyuki Tanaka 1994-07-05
5278794 NAND-cell type electrically erasable and programmable read-only memory with redundancy circuit Yoshiyuki Tanaka, Masaki Momodomi, Yoshihisa Iwata, Tomoharu Tanaka 1994-01-11
5268867 Semiconductor memory device Masaki Momodomi, Yoshihisa Iwata, Tomoharu Tanaka, Yoshiyuki Tanaka 1993-12-07
5247480 Electrically erasable progammable read-only memory with nand cell blocks Masaki Momodomi, Yoshihisa Iwata, Tomoharu Tanaka, Fujio Masuoka 1993-09-21
5179427 Non-volatile semiconductor memory device with voltage stabilizing electrode Ryozo Nakayama, Riichiro Shirota, Ryouhei Kirisawa, Hideko Odaira, Masaki Momodomi +5 more 1993-01-12
5103895 Method and apparatus of continuously casting a metal sheet Takashi Furuya, Hidemaro Takeuchi, Akio Kasama, Motoya Fujii, Hideki Oka +3 more 1992-04-14