Membership
Tour
Register
Log in
Hirokazu Aoki
Follow
Person
Kokubunji, JP
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Phase-locked loop circuit, information processing apparatus, and in...
Patent number
6,947,514
Issue date
Sep 20, 2005
Renesas Technology Corporation
Kazuo Kato
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Semiconductor integrated circuit having oscillators or oscillation...
Patent number
6,922,113
Issue date
Jul 26, 2005
Hitachi, Ltd.
Hiroyuki Mizuno
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Semiconductor integrated circuit device
Patent number
6,879,188
Issue date
Apr 12, 2005
Renesas Technology Corp.
Masayuki Miyazaki
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Semiconductor integrated circuit having oscillators or oscillation...
Patent number
6,683,503
Issue date
Jan 27, 2004
Hitachi, Ltd.
Hiroyuki Mizuno
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Semiconductor integrated circuit device
Patent number
6,515,519
Issue date
Feb 4, 2003
Hitachi, Ltd.
Masayuki Miyazaki
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Timing-control circuit device and clock distribution system
Patent number
6,489,824
Issue date
Dec 3, 2002
Hitachi, Ltd.
Masayuki Miyazaki
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Timing-control circuit device and clock distribution system
Patent number
6,300,807
Issue date
Oct 9, 2001
Hitachi, Ltd.
Masayuki Miyazaki
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Branching system for return from subroutine using target address in...
Patent number
5,454,087
Issue date
Sep 26, 1995
Hitachi, Ltd.
Susumu Narita
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Multi-processor system for invalidating hierarchical cache
Patent number
5,287,484
Issue date
Feb 15, 1994
Hitachi, Ltd.
Osamu Nishii
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Multiprocessor cache system having three states for generating inva...
Patent number
5,283,886
Issue date
Feb 1, 1994
Hitachi, Ltd.
Osamu Nishii
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Static memory containing sense amp and sense amp switching circuit
Patent number
5,267,198
Issue date
Nov 30, 1993
Hitachi, Ltd.
Susumu Hatano
G11 - INFORMATION STORAGE
Information
Patent Grant
Single-chip-cache-buffer for selectively writing write-back and exc...
Patent number
5,202,969
Issue date
Apr 13, 1993
Hitachi, Ltd.
Katsuyuki Sato
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Static memory containing sense AMP and sense AMP switching circuit
Patent number
5,193,075
Issue date
Mar 9, 1993
Hitachi Ltd.
Susumu Hatano
G11 - INFORMATION STORAGE
Information
Patent Grant
Single chip cache with partial-write circuit for transferring a pre...
Patent number
5,146,573
Issue date
Sep 8, 1992
Hitachi, Ltd.
Katsuyuki Sato
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Multi-processing system and cache apparatus for use in the same
Patent number
5,140,681
Issue date
Aug 18, 1992
Hitachi, Ltd.
Kunio Uchiyama
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Microprocessor which terminates bus cycle when access address falls...
Patent number
5,109,492
Issue date
Apr 28, 1992
Hitachi, Ltd.
Kouki Noguchi
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Content-addressed memory
Patent number
4,930,104
Issue date
May 29, 1990
Hitachi, Ltd.
Norio Nakagawa
G11 - INFORMATION STORAGE
Information
Patent Grant
Content-addressed memory
Patent number
4,831,586
Issue date
May 16, 1989
Hitachi, Ltd.
Norio Nakagawa
G11 - INFORMATION STORAGE
Information
Patent Grant
Address translation unit
Patent number
4,812,969
Issue date
Mar 14, 1989
Hitachi, Ltd.
Katsuaki Takagi
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Reset signal generating circuit
Patent number
4,607,178
Issue date
Aug 19, 1986
Hitachi, Ltd.
Mamoru Sugie
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Magnetic bubble memory device
Patent number
4,592,016
Issue date
May 27, 1986
Hitachi, Ltd.
Yoshihiro Sekiguchi
G11 - INFORMATION STORAGE
Information
Patent Grant
Method of controlling stop operation of rotating magnetic field for...
Patent number
4,550,388
Issue date
Oct 29, 1985
Hitachi, Ltd.
Takashi Toyooka
G11 - INFORMATION STORAGE
Information
Patent Grant
Signal processing circuit for magnetic bubble memory devices
Patent number
4,538,242
Issue date
Aug 27, 1985
Takashi Toyooka
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic bubble memory device
Patent number
4,530,070
Issue date
Jul 16, 1985
Hitachi, Ltd.
Mamoru Sugie
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic bubble memory having auxiliary storage loops
Patent number
4,519,049
Issue date
May 21, 1985
Hitachi, Ltd.
Takashi Toyooka
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic bubble memory device
Patent number
4,484,309
Issue date
Nov 20, 1984
Hitachi, Ltd.
Mamoru Sugie
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Series resonant drive circuit for magnetic bubble memory
Patent number
4,430,729
Issue date
Feb 7, 1984
Hitachi, Ltd.
Takashi Toyooka
G11 - INFORMATION STORAGE
Information
Patent Grant
Series resonance drive circuit for magnetic bubble memory
Patent number
4,379,341
Issue date
Apr 5, 1983
Hitachi, Ltd.
Takashi Toyooka
G11 - INFORMATION STORAGE
Information
Patent Grant
Drive circuit for magnetic bubble device
Patent number
4,247,911
Issue date
Jan 27, 1981
Hitachi, Ltd.
Shigeru Yoshizawa
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic bubble information writing device
Patent number
4,101,971
Issue date
Jul 18, 1978
President of Kogyo Gijutsuin
Minoru Hiroshima
G11 - INFORMATION STORAGE
Patents Applications
last 30 patents
Information
Patent Application
Semiconductor integrated circuit having oscillators or oscillation...
Publication number
20040100333
Publication date
May 27, 2004
Hitachi, Ltd.
Hiroyuki Mizuno
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Semiconductor integrated circuit device
Publication number
20030098730
Publication date
May 29, 2003
Masayuki Miyazaki
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
SEMICONDUCTOR INTEGRATED CIRCUIT HAVING OSCILLATORS OR OSCILLATION...
Publication number
20020003452
Publication date
Jan 10, 2002
HIROYUKI MIZUNO
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Timing-control circuit device and clock distribution system
Publication number
20020000851
Publication date
Jan 3, 2002
Hitachi, Ltd.
Masayuki Miyazaki
G06 - COMPUTING CALCULATING COUNTING