P

Inventor

KAMITSUNA HIDEKI

JP7 patents
⚠️ This page may combine multiple inventors who share the name “KAMITSUNA HIDEKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

YOKOWO SEISAKUSHO KK

3 patents
US9568687B2Feb 14, 2017

Plug for optical connector, jack for optical connector, and optical connector

YOKOWO SEISAKUSHO KK3 citations72
US11327258B2May 10, 2022

Optical module

YOKOWO SEISAKUSHO KK2 citations68
US10551570B2Feb 4, 2020

Optical transmission connector, plug, and receptacle

YOKOWO SEISAKUSHO KK1 citations61

NTT ELECTRONICS CORP

1 patent
US7054403B2May 30, 2006

Phase-Locked Loop

NTT ELECTRONICS CORP13 citations82

NIPPON TELEPHONE AND TELEGRAPH

1 patent
US7557674B2Jul 7, 2009

Matrix switch

NIPPON TELEPHONE AND TELEGRAPH8 citations80

HAKUSAN INC

1 patent
US12535640B2Jan 27, 2026

Optical fiber termination structure, optical connection component and hollow-core optical fiber

HAKUSAN INC0 citations60

KATSURAI HIROAKI

1 patent
US9083476B2Jul 14, 2015

Signal multiplexing device

KATSURAI HIROAKI1 citations42