YK

Yukio Kumagai

HI Hitachi: 5 patents #7,555 of 28,497Top 30%
Pfizer: 1 patents #3,022 of 5,153Top 60%
Overall (All Time): #834,712 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
10238357 X-ray CT apparatus and scanning method Kana Tanaka, Koichi Hirokawa 2019-03-26
9592023 X-ray CT apparatus and tomography method Kana Tanaka, Koichi Hirokawa, Ryo Yoshida 2017-03-14
6334022 Video information recording and reproducing apparatus Akihiko Ohba, Toru Matsushita, Masahiro Kageyama, Hiroshi Yoshigi, Taizo Kinoshita +2 more 2001-12-25
5717818 Audio signal storing apparatus having a function for converting speech speed Yoshito Nejime, Tadashi Takamiya, Yasunori Kawauchi, Nobuo Hataoka, Juichi Morikawa 1998-02-10
5572593 Method and apparatus for detecting and extending temporal gaps in speech signal and appliances using the same Yoshito Nejime, Hiroshi Ikeda 1996-11-05
4801096 Automatic gunning apparatus with detachably mounted gunning pipe 1989-01-31