SS

Seiichi Sakai

SO Sony: 15 patents #2,858 of 25,231Top 15%
HI Hitachi: 2 patents #13,388 of 28,497Top 50%
SC Shikoku Electric Power Co.: 2 patents #9 of 93Top 10%
DI Daikin Industries: 1 patents #1,764 of 2,957Top 60%
SK Shikoku Denryoku Kabushikigaisha: 1 patents #9 of 16Top 60%
Overall (All Time): #234,651 of 4,157,543Top 6%
19
Patents All Time

Issued Patents All Time

Showing 1–19 of 19 patents

Patent #TitleCo-InventorsDate
11680722 Device control system Akio Tasaka, Tadashi Hirose, Yoshihiro Kitaura, Atsushi Matsubara, Kousuke Tsuboi +7 more 2023-06-20
7555204 Integrated recording and editing apparatus and system Hideki Ando, Norihiko Noguchi 2009-06-30
6657430 Noncontact type magnetic hear wear-rate measuring apparatus Hiroshi Yamauchi 2003-12-02
6658196 Editing technique merging video signals recorded on the same optical disk Hideki Ando, Norihiko Noguchi 2003-12-02
6636687 Integrated recording and editing apparatus and system Hideki Ando, Norihiko Noguchi 2003-10-21
6453113 Editing apparatus and editing method Hideki Ando, Norihiko Noguchi 2002-09-17
6040693 User initiated magnetic head wear measuring and display system Teruyuki Yoshida, Fumiyoshi Abe 2000-03-21
5929632 Apparatus for determining magnetic head wear 1999-07-27
5729133 Noncontact type magnetic head for detecting rate-of-wear in a rotating magnetic head Teruyuki Yoshida 1998-03-17
5585982 Rotary drum apparatus with head rotation locus adjustment arrangement Teruyuki Yoshida, Hideaki Kawada, Hiroshi Iino 1996-12-17
5539585 Apparatus for recording an information signal in a normal record mode and an edit mode Mamoru Ueda 1996-07-23
5410435 Information signal recording apparatus for recording tracking signals in nonadjacent tracking areas of oblique tracks formed on magnetic recording medium Mikio Kita 1995-04-25
5321569 Rotary magnetic head drum assembly 1994-06-14
5296976 Magnetic recording/reproducing device Jun Takayama, Kiyoshi Sawakata, Kozo Kaminaga 1994-03-22
5270873 Signal recording and editing apparatus Yasuo Iwasaki 1993-12-14
5253128 Signal recording and reproducing apparatus with redundant control signal head Kasuo Ike 1993-10-12
4636931 Photovoltaic power control system Masahide Takahashi, Osamu Masada, Masaru Ukawa, Hamao Onishi 1987-01-13
4502320 Method and apparatus for diagnosing oil-filled electric apparatus Toshihiko Gange, Hideo Tsukioka, Katuo Sugawara, Ichitaro Tani, Etsunori Mori +1 more 1985-03-05
4444040 Method and apparatus for detecting gas components in oil in oil-filled device Toshihiko Gange, Katuo Sugawara, Hideo Tsukioka, Ictitaro Tani, Shigeo Shiono +1 more 1984-04-24