HH

Hisayuki Higuchi

HI Hitachi: 26 patents #1,179 of 28,497Top 5%
HC Hitachi Device Engineering Co.: 4 patents #116 of 514Top 25%
RT Renesas Technology: 3 patents #990 of 3,337Top 30%
AC Akita Electronics Co.: 1 patents #42 of 68Top 65%
HE Hitachi Micro Computer Engineering: 1 patents #131 of 393Top 35%
Overall (All Time): #132,822 of 4,157,543Top 4%
29
Patents All Time

Issued Patents All Time

Showing 25 most recent of 29 patents

Patent #TitleCo-InventorsDate
6839268 Semiconductor memory apparatus, semiconductor apparatus, data processing apparatus and computer system Kenichi Osada, Koichiro Ishibashi 2005-01-04
6727152 Semiconductor device Shinichiro Mitani, Takahide Ikeda, Kazutaka Mori 2004-04-27
6665209 Semiconductor memory apparatus, semiconductor apparatus, data processing apparatus and computer system Kenichi Osada, Koichiro Ishibashi 2003-12-16
6515894 Semiconductor memory apparatus, semiconductor apparatus, data processing apparatus and computer system Kenichi Osada, Koichiro Ishibashi 2003-02-04
6396732 Semiconductor memory apparatus, semiconductor apparatus, data processing apparatus and computer system Kenichi Osada, Koichiro Ishibashi 2002-05-28
6392277 Semiconductor device Shinichiro Mitani, Takahide Ikeda, Kazutaka Mori 2002-05-21
6342710 Semiconductor integrated circuit Suguru Tachibana, Koichiro Ishibashi, Keijiro Uehara 2002-01-29
6121646 Semiconductor integrated circuit Suguru Tachibana, Koichiro Ishibashi, Keijiro Uehara 2000-09-19
6091629 High speed semiconductor memory apparatus including circuitry to increase writing and reading speed Kenichi Osada, Koichiro Ishibashi 2000-07-18
5907867 Translation lookaside buffer supporting multiple page sizes Toshinobu Shinbo, Suguru Tachibana, Susumu Narita, Shinichi Yoshioka, Koichiro Ishibashi +3 more 1999-05-25
5398201 Bit-line drive circuit for a semiconductor memory Hiroaki Nambu, Noriyuki Homma, Kunihiko Yamaguchi, Kazuo Kanetani, Youji Idei +4 more 1995-03-14
5255225 Semiconductor integrated circuit device and memory consisting of semiconductor integrated circuit Hiroaki Nambu, Noriyuki Homma, Kunihiko Yamaguchi, Kazuo Kanetani, Youji Idei +8 more 1993-10-19
5253197 Semiconductor associative memory device with current sensing Makoto Suzuki, Suguru Tachibana, Katsuhiro Shimohigashi, Takehisa Hayashi, Makoto Hanawa +1 more 1993-10-12
5218567 Match detection circuit for cache memory apparatus Makoto Suzuki, Suguru Tachibana 1993-06-08
5163022 Semiconductor cell memory with current sensing Noriyuki Homma, Hiroaki Nambu, Kunihiko Yamaguchi, Tohru Nakamura, Youji Idei +3 more 1992-11-10
5128743 Semiconductor device and method of manufacturing the same Yoichi Tamaki, Tokuo Kure, Akira Sato 1992-07-07
5107141 BiCMOS logic circuit using 0.5 micron technology and having an operating potential difference of less than 4 volts Kazuo Yano, Mitsuru Hiraki, Suguru Tachibana, Makoto Suzuki, Katsuhiro Shimohigashi 1992-04-21
4986666 Semiconductor memory device Noriyuki Homma, Yoji Idei, Hiroaki Nambu, Yoshiaki Sakurai 1991-01-22
4984058 Semiconductor integrated circuit device Shuuichi Miyaoka, Nobuo Tamba, Toshikazu Arai, Hiroshi Higuchi 1991-01-08
4942555 Bi-MOS semiconductor memory having high soft error immunity Makoto Suzuki, Noriyuki Homma, Kiyoo Itoh 1990-07-17
4937480 BICMOS buffer circuit Makoto Suzuki, Noriyuki Homma 1990-06-26
4928265 Semiconductor integrated circuit Noriyuki Homma, Makoto Suzuki, Suguru Tachibana 1990-05-22
4866673 BI-MOS semiconductor memory having high soft error immunity Makoto Suzuki, Noriyuki Homma, Kiyoo Itoh 1989-09-12
4858191 Semiconductor integrated circuit Makoto Suzuki, Noriyuki Homma 1989-08-15
4825274 Bi-CMOS semiconductor device immune to latch-up Makoto Suzuki 1989-04-25