HS

Hisao Sonobe

HI Hitachi: 2 patents #339 of 2,942Top 15%
HC Hitachi Cable: 2 patents #2 of 53Top 4%
📍 Naka, JP: #2 of 14 inventorsTop 15%
Overall (1997): #15,602 of 185,788Top 9%
3
Patents 1997

Issued Patents 1997

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5701177 Method for detecting fault of optical fiber gyro and apparatus for diagnosing fault of the same Tatsuya Kumagai, Hiroshi Kajioka, Osamu Kobayashi, Munehiro Akiyama, Shigeru Oho 1997-12-23
5681989 Intake air amount measuring apparatus for internal combustion engines Atsushi Kanke, Shigeru Oho, Kaoru Uchiyama 1997-10-28
5608525 Phase adjustable optical fiber gyro using both even order harmonics and an orthogonal component of an even-order harmonic Tatsuya Kumagai, Keiji Abe, Munehiro Akiyama, Hiroshi Kajioka, Shigeru Oho 1997-03-04