MH

Masayoshi Hachiwaka

MI Mitsubishi Cable Industries: 7 patents #15 of 372Top 5%
MM Mitsubishi Mining: 1 patents #886 of 2,247Top 40%
NC Nagase Chemtex: 1 patents #29 of 74Top 40%
📍 Itami, JP: #416 of 1,436 inventorsTop 30%
Overall (All Time): #743,410 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
8606065 Optical fiber and method for fabricating the same Haruo Ooizumi, Masatoshi Tanaka, Takaharu Kinoshita, Mamoru Hashimoto 2013-12-10
8554036 Graded index multimode optical fiber Haruo Ooizumi, Syuichi Kusunoki, Takaharu Kinoshita 2013-10-08
8396340 Optical fiber and method for fabricating the same Haruo Ooizumi, Takaharu Kinoshita, Muneaki Ichihara, Masataka Kon 2013-03-12
8111962 Optical fiber connection structure and single-mode fiber Masatoshi Tanaka, Haruo Ooizumi 2012-02-07
7477821 Sealing composition and production method of optical fiber having air holes in the inside using the composition Takafumi Iida 2009-01-13
5852694 High power fiber optic connector Koji Kimura, Tokuji Hayashi, Takeshi Satake 1998-12-22
5177808 Optical energy beam transmission path structure Takeshi Satake, Tokuji Hayashi, Masakatsu Kimura, Koichi Suzuki, Takeji Akutsu +2 more 1993-01-05