HK

Hiroyuki Kida

HI Hitachi: 17 patents #2,231 of 28,497Top 8%
Fujitsu Limited: 5 patents #6,029 of 24,456Top 25%
HC Hitachi Engineering Co.: 5 patents #21 of 572Top 4%
HC Hitachi Haramachi Electronics Co.: 1 patents #22 of 64Top 35%
Overall (All Time): #196,388 of 4,157,543Top 5%
22
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
9622140 Base station and handover control method Kenichi Nunokawa, Shoichiro Ebesu 2017-04-11
9351188 Wireless base station device, wireless system, and failure detection method Kenichi Nunokawa 2016-05-24
8391867 Base station apparatus and neighboring cell information management method Hiroshi Ohiwane 2013-03-05
6895432 IP network system having unauthorized intrusion safeguard function Tadanao Ando, Atsuko Taguchi, Tatsuo Kondou 2005-05-17
6249837 Memory with plurality of blocks each accessed selectively with either one of two operational modes to reduce current dissipation using values of register bits set by an instruction signal Masahiro Tsuchiya, Masaru Sugai 2001-06-19
6198334 CMOS circuit Koichi Tomobe, Masaru Sugai, Masahiro Tsuchiya, Yuji Matsushita, Hideto Suzuki 2001-03-06
6169794 Method and apparatus for synchronizing databases within intelligent network Kiyoshi Oshimi, Masaki Watanabe, Shinichi Kozuka 2001-01-02
5956263 Multiplication, division and square root extraction apparatus Masahisa Narita, Hisashi Kaziwara, Takeshi Asai, Shigeki Morinaga, Mitsuru Watabe +5 more 1999-09-21
5644703 Data processor providing fast break in program execution Keiichi Kurakazu, Yoshikazu Aoto, Shiro Baba, Satoshi Masuda, Shinji Kawashima +1 more 1997-07-01
5642499 Method and apparatus for controlling timing of execution of saving and restoring operations in a processor system Mamoru Ohba, Shigeki Morinaga, Mitsuru Watabe 1997-06-24
5631858 System for obtaining strict solution in accordance with accuracy of approximate solutions Masahisa Narita, Hisashi Kaziwara, Takeshi Asai, Shigeki Morinaga, Mitsuru Watabe +5 more 1997-05-20
5524087 Method of forming a signal wave from first and second waveform data Masanobu Kawamura, Seiji Kamada, Toshiyuki Tojo, Takeshi Ohkubo, Hiroyuki Matsuura +2 more 1996-06-04
5504912 Coprocessor executing pipeline control for executing protocols and instructions Shigeki Morinaga, Norio Nakagawa, Mitsuru Watabe, Mamoru Ohba, Hisashi Kaziwara +2 more 1996-04-02
5493659 Data processor providing fast break in program execution Keiichi Kurakazu, Yoshikazu Aoto, Shiro Baba, Satoshi Masuda, Shinji Kawashima +1 more 1996-02-20
5455955 Data processing system with device for arranging instructions Hideo Maejima, Ikuro Masuda, Shirou Baba 1995-10-03
5418734 Finely adjustable signal wave forming circuit including complementary clock signal counters Masanobu Kawamura, Seiji Kamada, Toshiyuki Tojo, Takeshi Ohkubo, Hiroyuki Matsuura +2 more 1995-05-23
5375211 Bus error processing system having direct bus master/CPU communication Takashi Maruyama, Keiichi Kurakazu, Susumu Kaneko 1994-12-20
5293558 Multiplication, division and square root extraction apparatus Masahisa Narita, Hisashi Kaziwara, Takeshi Asai, Shigeki Morinaga, Mitsuru Watabe +5 more 1994-03-08
4998197 Data processor with fast break in program execution by selectively processing either external control signal or external interrupt Keiichi Kurakazu, Yoshikazu Aoto, Shiro Baba, Satoshi Masuda, Shinji Kawashima +1 more 1991-03-05
4979103 Data processing method and apparatus having plural bus interfaces Tooru Komagawa, Hideo Maejima 1990-12-18
4835679 Microprogram control system Hideo Maejima 1989-05-30
4740892 Microcomputer having peripheral functions Hideo Maejima 1988-04-26