KY

Keiichi Yoshizumi

Sumitomo Electric Industries: 20 patents #1,058 of 21,551Top 5%
HI Hitachi: 16 patents #2,438 of 28,497Top 9%
RT Renesas Technology: 8 patents #341 of 3,337Top 15%
HE Hitachi Vlsi Engineering: 3 patents #237 of 666Top 40%
PA Panasonic: 3 patents #7,617 of 21,108Top 40%
RE Renesas Electronics: 1 patents #2,739 of 4,529Top 65%
Overall (All Time): #56,846 of 4,157,543Top 2%
49
Patents All Time

Issued Patents All Time

Showing 26–49 of 49 patents

Patent #TitleCo-InventorsDate
6316798 Ferroelectric memory device and method for manufacturing the same Kiyoshi Ogata, Kazuhiko Horikoshi, Kazufumi Suenaga, Hisayuki Kato, Masahito Yamazaki 2001-11-13
6239457 Semiconductor memory device and manufacturing method thereof Kazufumi Suenaga, Kiyoshi Ogata, Kazuhiko Horikoshi, Jun Tanaka, Hisayuki Kato +1 more 2001-05-29
6026583 Shape measuring apparatus and method Hiroyuki Takeuchi, Keishi Kubo, Yukio Imada, Koji Handa 2000-02-22
5917181 Profile measuring apparatus Keishi Kubo, Shoji Kusumoto, Kiyokazu Uchimura, Keinosuke Kanashima 1999-06-29
5880497 Semiconductor integrated circuit device having capacitance element and process of manufacturing the same Shuji Ikeda, Koichi Imato, Kazuo Yoshizaki, Kohji Yamasaki, Soichiro Hashiba +12 more 1999-03-09
5780328 Process for producing semiconductor integrated circuit Kazushi Fukuda, Yasuko Yoshida, Yutaka Hoshino, Naotaka Hashimoto, Kyoichiro Asayama +4 more 1998-07-14
5616916 Configuration measuring method and apparatus for optically detecting a displacement of a probe due to an atomic force Koji Handa, Keishi Kubo, Masateru Doi 1997-04-01
5610856 Semiconductor integrated circuit device Satoru Haga, Shuji Ikeda, Kiichi Makuta, Takeshi Fukazawa 1997-03-11
5508540 Semiconductor integrated circuit device and process of manufacturing the same Shuji Ikeda, Koichi Imato, Kazuo Yoshizaki, Kohji Yamasaki, Soichiro Hashiba +12 more 1996-04-16
5459939 Apparatus and method for measuring width of micro gap Keishi Kubo 1995-10-24
5455677 Optical probe Keishi Kubo 1995-10-03
5444012 Method for manufacturing semiconductor integrated circuit device having a fuse element Kazushi Fukuda, Seiichi Ariga, Shuji Ikeda, Makoto Saeki, Kiyoshi Nagai +3 more 1995-08-22
5371023 Gate circuit, semiconductor integrated circuit device and method of fabrication thereof, semiconductor memory and microprocessor Masataka Minami, Mitsuru Hiraki, Kazuo Yano, Atsuo Watanabe, Kouichi Seki +3 more 1994-12-06
5328864 Method of doping gate electrodes discretely with either P-type or N-type impurities to form discrete semiconductor regions Satoshi Kudo 1994-07-12
5319194 Apparatus for measuring birefringence without employing rotating mechanism Keishi Kubo 1994-06-07
5315374 Three-dimensional measuring apparatus 1994-05-24
5283630 Error correcting method for measuring object surface using three-dimension measuring apparatus 1994-02-01
5144150 Configuration measuring apparatus Keishi Kubo 1992-09-01
5032537 Method of doping gate electrodes discretely with either P-type or N-type impurities to form discrete semiconductor regions Satoshi Kudo 1991-07-16
4822139 Optical head apparatus for optical disc player 1989-04-18
4776699 Optical measuring device 1988-10-11
4766303 Optical information system having a birefringence plate movably disposed in accordance with the detected light intensity Akira Matsubara, Takao Hayashi 1988-08-23
4611916 Optical measuring apparatus 1986-09-16
4507766 Optical device for optically recording and reproducing information signals on an information carrier Tetsuo Saimi 1985-03-26