HK

Hidehiro Koumura

HI Hitachi: 8 patents #5,191 of 28,497Top 20%
Overall (All Time): #664,337 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6388368 Color cathode ray tube having an improved internal magnetic shield Noriharu Matsudate, Yasushi Sawatari, Atsuo Nakagawa 2002-05-14
6335589 Color cathode ray tube having adjustment magnet assembly at neck portion Kentaro Oku, Tomoki Nakamura, Hisashi Nose, Kunio Ishiyama 2002-01-01
6229254 Color cathode ray tube having an improved internal magnetic shield Noriharu Matsudate, Yasushi Sawatari, Atsuo Nakagawa 2001-05-08
6222311 Narrow-neck CRT having a large stem pin circle Hisashi Nose, Takao Nakamura 2001-04-24
6194823 Color cathode ray tube having adjustment magnet assembly at the neck portion of the tube Kentaro Oku, Tomoki Nakamura, Hisashi Nose, Kunio Ishiyama 2001-02-27
6078134 Narrow-neck CRT having a large stem pin circle Hisashi Nose, Takao Nakamura 2000-06-20
5994830 Narrow-neck CRT having a large stem pin circle Hisashi Nose, Takao Nakamura 1999-11-30
5898264 Narrow-neck CRT having a large stem pin circle Hisashi Nose, Takao Nakamura 1999-04-27