TI

Takayuki Ishiguro

ND Ntt Docomo: 11 patents #259 of 1,706Top 20%
HC Hitachi Electronics Engineering Co.: 5 patents #5 of 175Top 3%
HI Hitachi: 1 patents #17,742 of 28,497Top 65%
HH Hitachi High-Technologies: 1 patents #1,282 of 1,917Top 70%
Overall (All Time): #228,812 of 4,157,543Top 6%
19
Patents All Time

Issued Patents All Time

Showing 1–19 of 19 patents

Patent #TitleCo-InventorsDate
12249134 Visualization method, program for the same, visualization device, and discrimination device having the same Hitoshi Hoshino 2025-03-11
8547545 Method and apparatus for inspecting a surface of a substrate Hideaki Sasazawa, Kiyotaka HORIE, Yu YANAKA 2013-10-01
7720478 Control device of mobile communication system Mayu Yamada, Sung Uk Moon, Hiroyuki Ishii, Toshiyuki Futakata, Tomohiro Dohi 2010-05-18
7668142 Radio communications system, radio communications method, radio relay, and radio terminal Osamu Nakamura, Shinji Uebayashi 2010-02-23
7558236 Communication method and system for improving control signal receiving quality during handover 2009-07-07
7539173 Radio communication system, radio terminal, base station, control equipment and communication method Hiroyuki Ishii 2009-05-26
7194265 Method and system for determining antenna of radio base station at moving target area during handover Hiroyuki Ishii 2007-03-20
7155233 Radio communication system for reducing interferences with respect to other communication system using close frequency band Rie Nagato, Shinji Uebayashi, Osamu Nakamura 2006-12-26
7151948 Scheme for realizing path selection using optimum path selection threshold in radio communication Hiroyuki Ishii, Sung Uk Moon, Mayu Yamada 2006-12-19
7039406 Radio communication method, radio base station and radio terminal Hiroyuki Ishii 2006-05-02
7035590 Mobile communication terminal, interference cancellation system, interference cancellation method, and base station Toshiyuki Futakata, Makoto Ito, Sung Uk Moon 2006-04-25
6961577 Radio communication system for reducing interferences with respect to other communication system using close frequency band Rie Nagato, Shinji Uebayashi, Osamu Nakamura 2005-11-01
6859647 Interference elimination system and interference eliminating method Osamu Nakamura, Shinji Uebayashi 2005-02-22
6617603 Surface defect tester Hiroshi Nakajima 2003-09-09
6509966 Optical system for detecting surface defect and surface defect tester using the same 2003-01-21
6330059 Optical system for detecting surface defects, a disk tester and a disk testing method Hiroshi Nakajima 2001-12-11
5898491 Surface defect test method and surface defect tester Izuo Horai, Kazuya Tsukada 1999-04-27
5877857 Eccentricity tester for head turnout zone of magnetic disk and testing method thereof Osamu Ishiwata, Keiji Katoh 1999-03-02
5875027 Sensitivity calibration disk for surface defect tester Izuo Horai, Kazuya Tsukada 1999-02-23