YI

Yoshihisa Iwata

KT Kabushiki Kaisha Toshiba: 164 patents #23 of 21,451Top 1%
Toshiba Memory: 9 patents #169 of 1,971Top 9%
Kioxia: 2 patents #693 of 1,813Top 40%
UP Unisantis Electronics Singapore Pte.: 1 patents #28 of 31Top 95%
Overall (All Time): #4,451 of 4,157,543Top 1%
176
Patents All Time

Issued Patents All Time

Showing 151–175 of 176 patents

Patent #TitleCo-InventorsDate
5637895 Non-volatile semiconductor memory device Hiroshi Nakamura 1997-06-10
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
5610859 Semiconductor memory device Hiroshi Nakamura, Junichi Miyamoto, Keniti Imamiya 1997-03-11
5557568 Non-volatile semiconductor memory device with verify mode for verifying data written to memory cells Junichi Miyamoto, Yasuo Itoh 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
5528547 Electrically erasable programmable read-only memory with electric field decreasing controller Seiichi Aritome, Riichiro Shirota, Ryouhei Kirisawa, Masaki Momodomi 1996-06-18
5508957 Non-volatile semiconductor memory with NAND cell structure and switching transistors with different channel lengths to reduce punch-through Masaki Momodomi, Fujio Masuoka, Yasuo Itoh, Hiroshi Iwahashi, 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, Yasuo Itoh 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, Yasuo Itoh, Fujio Masuoka, Masahiko Chiba +3 more 1995-08-08
5402373 Electrically erasable programmable read-only memory with electric field decreasing controller Seiichi Aritome, Riichiro Shirota, Ryouhei Kirisawa, Masaki Momodomi 1995-03-28
5400279 Nonvolatile semiconductor memory device with NAND cell structure Masaki Momodomi, Yasuo Itoh, Fujio Masuoka, Masahiko Chiba 1995-03-21
5388084 Non-volatile semiconductor memory device with high voltage generator Yasuo Itoh, Sumio Tanaka, Junichi Miyamoto, Hiroshi Nakamura, Kenichi Imamiya +1 more 1995-02-07
5379256 Electrically erasable programmable read-only memory with write/verify controller Tomoharu Tanaka, Yoshiyuki Tanaka, Kazunori Ohuchi, Masaki Momodomi, Koji Sakui +2 more 1995-01-03
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, Masaki Momodomi, Yasuo Itoh, Tomoharu Tanaka, Yoshiyuki Tanaka 1994-07-05
5293337 Electrically erasable programmable read-only memory with electric field decreasing controller Seiichi Aritome, Riichiro Shirota, Ryouhei Kirisawa, Masaki Momodomi 1994-03-08
5280454 Electrically erasable programmable read-only memory with block-erase function Tomoharu Tanaka, Koji Sakui, Masaki Momodomi 1994-01-18
5278794 NAND-cell type electrically erasable and programmable read-only memory with redundancy circuit Yoshiyuki Tanaka, Yasuo Itoh, Masaki Momodomi, Tomoharu Tanaka 1994-01-11
5268867 Semiconductor memory device Masaki Momodomi, Yasuo Itoh, Tomoharu Tanaka, Yoshiyuki Tanaka 1993-12-07
5247480 Electrically erasable progammable read-only memory with nand cell blocks Yasuo Itoh, Masaki Momodomi, Tomoharu Tanaka, Fujio Masuoka 1993-09-21
5179427 Non-volatile semiconductor memory device with voltage stabilizing electrode Ryozo Nakayama, Riichiro Shirota, Yasuo Itoh, Ryouhei Kirisawa, Hideko Odaira +5 more 1993-01-12
5075890 Electrically erasable programmable read-only memory with NAND cell Yasuo Itoh, Masaki Momodomi, Tomoharu Tanaka, Fujio Masuoka 1991-12-24
5050125 Electrically erasable programmable read-only memory with NAND cellstructure Masaki Momodomi, Koichi Toita, Yasuo Itoh, Fujio Masuoka, Masahiko Chiba +3 more 1991-09-17
5043942 Nand cell type programmable read-only memory with common control gate driver circuit Masaki Momodomi, Yasuo Itoh, Tomoharu Tanaka, Hideko Odaira 1991-08-27
4931675 Semiconductor sense amplifier 1990-06-05