Inventor
HANDA RYOJI
JP15 patents
⚠️ This page may combine multiple inventors who share the name “HANDA RYOJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MITSUBISHI RAYON CO
5 patentsUS4983660AJan 8, 1991
Polyethylene terephthalate resin composition
MITSUBISHI RAYON CO50 citations88
US4035333AJul 12, 1977
Flame-resistant resin composition
MITSUBISHI RAYON CO30 citations81
US4108946AAug 22, 1978
Graft-polymer composition of rubber for reinforcing crosslinked resin
MITSUBISHI RAYON CO22 citations80
US3965212AJun 22, 1976
Flame-resistant resin composition
MITSUBISHI RAYON CO17 citations73
US5166003ANov 24, 1992
Plated articles
MITSUBISHI RAYON CO3 citations54
NITTO CHEMICAL INDUSTRY CO LTD
5 patentsUS4306045ADec 15, 1981
Process for producing acrylamide polymers
NITTO CHEMICAL INDUSTRY CO LTD22 citations81
US4607958AAug 26, 1986
Apparatus for stirring hydrogel particles of water-soluble polymer
NITTO CHEMICAL INDUSTRY CO LTD10 citations73
US4306048ADec 15, 1981
Method for preparing acrylamide polymers
NITTO CHEMICAL INDUSTRY CO LTD8 citations72
US4455411AJun 19, 1984
Process for preparing acrylamide polymers
NITTO CHEMICAL INDUSTRY CO LTD10 citations69
US4313863AFeb 2, 1982
Modification of acrylamide polymers
NITTO CHEMICAL INDUSTRY CO LTD5 citations62
ANDO ELECTRIC
4 patentsUS5309455AMay 3, 1994
High-power light pulse generating apparatus
ANDO ELECTRIC34 citations92
US5408310AApr 18, 1995
Optical time domain reflectometer having shortened dead zone
ANDO ELECTRIC11 citations72
US5233619AAug 3, 1993
High power light pulse generator
ANDO ELECTRIC13 citations72
US5315677AMay 24, 1994
Optical pulse generator
ANDO ELECTRIC2 citations61