P

Inventor

IKEDA YOSHIHISA

JP10 patents
⚠️ This page may combine multiple inventors who share the name “IKEDA YOSHIHISA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

FUJITSU LTD

4 patents
US6895182B1May 17, 2005

Optical ring transmission system using squelch method

FUJITSU LTD24 citations90
US5644567AJul 1, 1997

Line switching method and line switching apparatus

FUJITSU LTD15 citations72
US7796050B2Sep 14, 2010

Abnormal circuit operation detection system

FUJITSU LTD2 citations57
US7609975B2Oct 27, 2009

Optical transmission apparatus

FUJITSU LTD0 citations33

HITACHI LTD

1 patent
US4901313AFeb 13, 1990

A-point to multi-points communication system

HITACHI LTD32 citations92

SANO TAKAYOSHI

1 patent
US9073257B2Jul 7, 2015

Film stretching machine and film stretching method

SANO TAKAYOSHI8 citations79

UNIV ROCKEFELLER

1 patent
US6441276B1Aug 27, 2002

ESR2 - a plant gene that can promote shoot regeneration

UNIV ROCKEFELLER7 citations73

NIPPON KOKAN KK

1 patent
US4926023AMay 15, 1990

High-speed rotative arc welding device

NIPPON KOKAN KK8 citations72

TOSHIBA MACHINE CO LTD

1 patent
US10894351B2Jan 19, 2021

Clip-type stretching apparatus

TOSHIBA MACHINE CO LTD0 citations46

KONDOU MASAO

1 patent
US8105710B2Jan 31, 2012

Battery with leads

KONDOU MASAO1 citations40