HA

Hirokazu Aoki

HI Hitachi: 26 patents #1,179 of 28,497Top 5%
HE Hitachi Vlsi Engineering: 6 patents #133 of 666Top 20%
HC Hitachi Ulsi Systems Co.: 4 patents #214 of 867Top 25%
RT Renesas Technology: 2 patents #1,374 of 3,337Top 45%
HE Hitachi Micro Computer Engineering: 1 patents #131 of 393Top 35%
Overall (All Time): #140,098 of 4,157,543Top 4%
28
Patents All Time

Issued Patents All Time

Showing 25 most recent of 28 patents

Patent #TitleCo-InventorsDate
6947514 Phase-locked loop circuit, information processing apparatus, and information processing system Kazuo Kato, Takashi Sase, Takashi Hotta, Kozaburo Kurita 2005-09-20
6922113 Semiconductor integrated circuit having oscillators or oscillation circuits connected to a wiring line at connection points with intervals in length there between Hiroyuki Mizuno, Koichiro Ishibashi 2005-07-26
6879188 Semiconductor integrated circuit device Masayuki Miyazaki, Ken Tatezawa, Kiwamu Takada, Kunio Uchiyama, Osamu Nishii +2 more 2005-04-12
6683503 Semiconductor integrated circuit having oscillators or oscillation circuits connected to a wiring line at connection points with intervals in length therebetween Hiroyuki Mizuno, Koichiro Ishibashi 2004-01-27
6515519 Semiconductor integrated circuit device Masayuki Miyazaki, Ken Tatezawa, Kiwamu Takada, Kunio Uchiyama, Osamu Nishii +2 more 2003-02-04
6489824 Timing-control circuit device and clock distribution system Masayuki Miyazaki, Koichiro Ishibashi, Takeshi Sakata, Satoru Hanzawa, Hiroyuki Mizuno +2 more 2002-12-03
6300807 Timing-control circuit device and clock distribution system Masayuki Miyazaki, Koichiro Ishibashi, Takeshi Sakata, Satoru Hanzawa, Hiroyuki Mizuno +2 more 2001-10-09
5454087 Branching system for return from subroutine using target address in return buffer accessed based on branch type information in BHT Susumu Narita, Fumio Arakawa, Kunio Uchiyama 1995-09-26
5287484 Multi-processor system for invalidating hierarchical cache Osamu Nishii, Kunio Uchiyama, Takashi Kikuchi, Yasuhiko Saigou 1994-02-15
5283886 Multiprocessor cache system having three states for generating invalidating signals upon write accesses Osamu Nishii, Kunio Uchiyama, Kanji Oishi, Jun Kitano, Susumu Hatano 1994-02-01
5267198 Static memory containing sense amp and sense amp switching circuit Susumu Hatano, Kanji Oishi, Takashi Kikuchi, Yasuhiko Saigou, Hiroshi Fukuta +2 more 1993-11-30
5202969 Single-chip-cache-buffer for selectively writing write-back and exclusively writing data-block portions to main-memory based upon indication of bits and bit-strings respectively Katsuyuki Sato, Tadahiko Nishimukai, Kunio Uchiyama, Susumu Hatano, Kanji Oishi +3 more 1993-04-13
5193075 Static memory containing sense AMP and sense AMP switching circuit Susumu Hatano, Kanji Oishi, Takashi Kikuchi, Yasuhiko Saigou, Hiroshi Fukuta +2 more 1993-03-09
5146573 Single chip cache with partial-write circuit for transferring a preselected portion of data between memory and buffer register Katsuyuki Sato, Tadahiko Nishimukai, Kunio Uchiyama, Susumu Hatano, Kanji Oishi +3 more 1992-09-08
5140681 Multi-processing system and cache apparatus for use in the same Kunio Uchiyama, Susumu Hatano, Kanji Oishi, Takashi Kikuchi, Hiroshi Fukuta +1 more 1992-08-18
5109492 Microprocessor which terminates bus cycle when access address falls within a predetermined processor system address space Kouki Noguchi, Yoshimune Hagiwara, Kazuhiko Iwasaki, Shigeru Shimada 1992-04-28
4930104 Content-addressed memory Norio Nakagawa, Katsuaki Takagi 1990-05-29
4831586 Content-addressed memory Norio Nakagawa, Katsuaki Takagi 1989-05-16
4812969 Address translation unit Katsuaki Takagi, Norio Nakagawa, Yoshimune Hagiwara 1989-03-14
4607178 Reset signal generating circuit Mamoru Sugie, Takashi Toyooka, Kazutoshi Yoshida, Shinsaku Chiba 1986-08-19
4592016 Magnetic bubble memory device Yoshihiro Sekiguchi, Kazutoshi Yoshida, Shinsaku Chiba, Mamoru Sugie 1986-05-27
4550388 Method of controlling stop operation of rotating magnetic field for magnetic bubble memory device Takashi Toyooka, Kazutoshi Yoshida, Kazuhiro Ishida, Tatsuo Okahashi, Ryo Suzuki +1 more 1985-10-29
4530070 Magnetic bubble memory device Mamoru Sugie, Takashi Toyooka 1985-07-16
4519049 Magnetic bubble memory having auxiliary storage loops Takashi Toyooka, Mamoru Sugie 1985-05-21
4484309 Magnetic bubble memory device Mamoru Sugie, Takashi Toyooka, Kazuya Kamiyama 1984-11-20