KK

Kozo Katayama

RE Renesas Electronics: 14 patents #183 of 4,529Top 5%
RT Renesas Technology: 11 patents #212 of 3,337Top 7%
HI Hitachi: 10 patents #4,206 of 28,497Top 15%
HC Hitachi Ulsi Systems Co.: 8 patents #82 of 867Top 10%
KC Kumagai Gumi Co.: 1 patents #4 of 19Top 25%
Overall (All Time): #94,351 of 4,157,543Top 3%
36
Patents All Time

Issued Patents All Time

Showing 25 most recent of 36 patents

Patent #TitleCo-InventorsDate
10354735 Semiconductor device Toshihiro Tanaka, Yukiko Umemoto, Mitsuru Hiraki, Yutaka Shinagawa, Masamichi Fujito +6 more 2019-07-16
10115469 Semiconductor device Toshihiro Tanaka, Yukiko Umemoto, Mitsuru Hiraki, Yutaka Shinagawa, Masamichi Fujito +6 more 2018-10-30
9825049 Semiconductor device and manufacturing method of semiconductor device Naohiro Hosoda, Daisuke Okada 2017-11-21
9812211 Semiconductor device Toshihiro Tanaka, Yukiko Umemoto, Mitsuru Hiraki, Yutaka Shinagawa, Masamichi Fujito +6 more 2017-11-07
9412459 Semiconductor device Toshihiro Tanaka, Yukiko Umemoto, Mitsuru Hiraki, Yutaka Shinagawa, Masamichi Fujito +6 more 2016-08-09
9245900 Semiconductor device and manufacturing method of semiconductor device Naohiro Hosoda, Daisuke Okada 2016-01-26
9184264 Manufacturing method of semiconductor device Eiji Tsukuda, Kenichiro Sonoda, Tatsuya Kunikiyo 2015-11-10
8956941 Manufacturing method of semiconductor device Eiji Tsukuda, Kenichiro Sonoda, Tatsuya Kunikiyo 2015-02-17
8698224 Semiconductor device Toshihiro Tanaka, Yukiko Umemoto, Mitsuru Hiraki, Yutaka Shinagawa, Masamichi Fujito +6 more 2014-04-15
8426904 Semiconductor device Toshihiro Tanaka, Yukiko Umemoto, Mitsuru Hiraki, Yutaka Shinagawa, Masamichi Fujito +6 more 2013-04-23
8050085 Semiconductor processing device and IC card Masatoshi Takahashi, Takanori Yamazoe, Toshihiro Tanaka, Yutaka Shinagawa, Hiroshi Watase +2 more 2011-11-01
8017986 Semiconductor device Toshihiro Tanaka, Yukiko Umemoto, Mitsuru Hiraki, Yutaka Shinagawa, Masamichi Fujito +6 more 2011-09-13
7911852 Nonvolatile semiconductor memory device and operation method thereof 2011-03-22
7863670 Semiconductor device and a method of manufacturing the same Yasushi Ishii, Takashi Hashimoto, Yoshiyuki Kawashima, Koichi Toba, Satoru Machida +2 more 2011-01-04
7700992 Semiconductor device Toshihiro Tanaka, Yukiko Umemoto, Mitsuru Hiraki, Yutaka Shinagawa, Masamichi Fujito +6 more 2010-04-20
7557005 Semiconductor device and a method of manufacturing the same Yasushi Ishii, Takashi Hashimoto, Yoshiyuki Kawashima, Koichi Toba, Satoru Machida +2 more 2009-07-07
7414283 Semiconductor device Toshihiro Tanaka, Yukiko Umemoto, Mitsuru Hiraki, Yutaka Shinagawa, Masamichi Fujito +6 more 2008-08-19
7339231 Semiconductor device and an integrated circuit card 2008-03-04
7228377 Semiconductor integrated circuit device, IC card, and mobile terminal Takanori Yamazoe, Takashi Tase, Junji Shigeta, Nobutaka Nagasaki, Eiji Yamasaki +1 more 2007-06-05
7190023 Semiconductor integrated circuit having discrete trap type memory cells Yoshiaki Kamigaki, Shinichi Minami, Masataka Kato 2007-03-13
7166508 Method for forming nonvolatile memory device including insulating film containing nitrogen (nitride) Yoshiaki Kamigaki, Shinichi Minami 2007-01-23
7057230 Nonvolatile semiconductor memory device employing transistors having different gate withstand voltages for enhanced reading speed Toshihiro Tanaka, Yukiko Umemoto, Mitsuru Hiraki, Yutaka Shinagawa, Masamichi Fujito +6 more 2006-06-06
7012296 Semiconductor integrated circuit Yoshiaki Kamigaki, Shinichi Minami, Masataka Kato 2006-03-14
6936888 Nonvolatile memory device with multi-bit memory cells having plural side gates Yoshiaki Kamigaki, Shinichi Minami 2005-08-30
6894344 Semiconductor integrated circuit having two switch transistors formed between two diffusion-layer lines Yoshiaki Kamigaki, Shinichi Minami, Masataka Kato 2005-05-17