Inventor
ARAI NORIMASA
JP19 patents
⚠️ This page may combine multiple inventors who share the name “ARAI NORIMASA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SEIKO GIKEN KK
8 patentsUS7093983B2Aug 22, 2006
Optical connector plug and optical connector
SEIKO GIKEN KK40 citations92
US10042129B2Aug 7, 2018
Duplex optical connector plug and polarity reversal method of duplex optical connector plug
SEIKO GIKEN KK16 citations91
US7153035B2Dec 26, 2006
Optical connector plug and optical connector
SEIKO GIKEN KK14 citations84
US9958623B1May 1, 2018
Tool for plug, plug and cable with plug
SEIKO GIKEN KK11 citations83
US9941631B1Apr 10, 2018
Plug and cable with plug
SEIKO GIKEN KK12 citations83
US10042126B2Aug 7, 2018
Ferrule polishing method of duplex optical connector plug
SEIKO GIKEN KK3 citations72
US9360637B2Jun 7, 2016
Optical connector plug
SEIKO GIKEN KK2 citations62
US10488601B2Nov 26, 2019
Optical connector plug and duplex optical connector plug
SEIKO GIKEN KK0 citations40
VICTOR COMPANY OF JAPAN
4 patentsUS5229900AJul 20, 1993
Magnetooptical disk drive having improved features for reducing the size thereof in the direction normal to the disk cartridge
VICTOR COMPANY OF JAPAN8 citations71
US4433406AFeb 21, 1984
Rotary recording medium clamping mechanism
VICTOR COMPANY OF JAPAN3 citations63
US3990789ANov 9, 1976
Projecting system for automatically loading, threading projecting and rewinding a plurality of films in casettes
VICTOR COMPANY OF JAPAN4 citations56
US4488286ADec 11, 1984
Signal-pickup cartridge for a rotary recording medium reproducing apparatus
VICTOR COMPANY OF JAPAN1 citations51
OLYMPUS CORP
4 patentsUS11832795B2Dec 5, 2023
Fluid control device for endoscope, and endoscope
OLYMPUS CORP0 citations51
US11445894B2Sep 20, 2022
Insertion assisting system
OLYMPUS CORP0 citations51
US10806326B2Oct 20, 2020
Method for observing the branch portion of the hole and method for operating the endoscope system
OLYMPUS CORP0 citations41
US10499796B2Dec 10, 2019
Treatment device and treatment system
OLYMPUS CORP0 citations41