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Norimasa Arai

SC Seikoh Giken Co.: 11 patents #5 of 69Top 8%
OL Olympus: 4 patents #1,098 of 3,097Top 40%
VJ Victor Company Of Japan: 3 patents #389 of 1,489Top 30%
Overall (All Time): #252,135 of 4,157,543Top 7%
18
Patents All Time

Issued Patents All Time

Showing 1–18 of 18 patents

Patent #TitleCo-InventorsDate
11832795 Fluid control device for endoscope, and endoscope 2023-12-05
11445894 Insertion assisting system 2022-09-20
10806326 Method for observing the branch portion of the hole and method for operating the endoscope system 2020-10-20
10499796 Treatment device and treatment system 2019-12-10
10488601 Optical connector plug and duplex optical connector plug Junji Taira, Masayuki Jibiki, Yohei Takaishi 2019-11-26
10042126 Ferrule polishing method of duplex optical connector plug Junji Taira, Masayuki Jibiki, Yohei Takaishi 2018-08-07
10042129 Duplex optical connector plug and polarity reversal method of duplex optical connector plug Junji Taira, Masayuki Jibiki, Yohei Takaishi 2018-08-07
9958623 Tool for plug, plug and cable with plug Junji Taira, Masayuki Jibiki, Yohei Takaishi 2018-05-01
9941631 Plug and cable with plug Junji Taira, Masayuki Jibiki, Yohei Takaishi 2018-04-10
9360637 Optical connector plug Junji Taira, Masayuki Jibiki 2016-06-07
9164244 Optical connector plug Junji Taira 2015-10-20
8596883 Optical connector plug Junji Taira 2013-12-03
8256969 Optical connector stop ring, optical fiber cord with optical connector using the same and method for manufacturing optical fiber cord with optical connector Junji Taira, Yasunari Kawasaki 2012-09-04
7153035 Optical connector plug and optical connector Junji Taira, Kouji Minami 2006-12-26
7093983 Optical connector plug and optical connector Junji Taira, Kouji Minami 2006-08-22
5229900 Magnetooptical disk drive having improved features for reducing the size thereof in the direction normal to the disk cartridge Noriyoshi Kokubo 1993-07-20
4488286 Signal-pickup cartridge for a rotary recording medium reproducing apparatus Takashi Saito, Masayoshi Uchida, Masafumi Mochizuki 1984-12-11
4433406 Rotary recording medium clamping mechanism Takashi Saito, Masafumi Mochizuki 1984-02-21