P

Inventor

KAGAWA SEIJI

JP93 patents
⚠️ This page may combine multiple inventors who share the name “KAGAWA SEIJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

KAGAWA SEIJI

21 patents
US5593632AJan 14, 1997

Method of making a porous film

KAGAWA SEIJI18 citations93
US5648107AJul 15, 1997

Porous film manufacturing apparatus

KAGAWA SEIJI36 citations92
US8598470B2Dec 3, 2013

Electromagnetic-wave-absorbing film and electromagnetic wave absorber comprising it

KAGAWA SEIJI11 citations84
US5458951AOct 17, 1995

Porous film, method for manufacturing the same, gas permeability control film, and water vapor permeability control film

KAGAWA SEIJI19 citations82
US5415538AMay 16, 1995

Porous film manufacturing apparatus

KAGAWA SEIJI7 citations74
US4403946ASep 13, 1983

Igniter utilizing piezo-electric element

KAGAWA SEIJI18 citations74
US10062477B1Aug 28, 2018

Electromagnetic-wave-absorbing filter

KAGAWA SEIJI4 citations73
US9907218B2Feb 27, 2018

Near-field noise suppression film

KAGAWA SEIJI2 citations73
US9894817B2Feb 13, 2018

Composite electromagnetic-wave-absorbing sheet

KAGAWA SEIJI6 citations73
US9550206B2Jan 24, 2017

Electromagnetic-wave-absorbing film and its production method

KAGAWA SEIJI3 citations73
US9289720B2Mar 22, 2016

System and method for treating mercury in flue gas

KAGAWA SEIJI3 citations73
US5451257ASep 19, 1995

Porous film and porous film manufacturing apparatus

KAGAWA SEIJI9 citations73
US10744665B2Aug 18, 2020

Apparatus for producing microporous plastic film

KAGAWA SEIJI3 citations72
US9889479B2Feb 13, 2018

Method for producing porous metal foil

KAGAWA SEIJI2 citations72
US9096013B2Aug 4, 2015

Apparatus for forming slant, linear easy-to-tear portions on long plastic film

KAGAWA SEIJI5 citations72
US11931972B2Mar 19, 2024

High-moisture-permeability, microporous plastic film, and its production method and apparatus

KAGAWA SEIJI0 citations63
US10538054B2Jan 21, 2020

Heat-dissipating film, and its production method and apparatus

KAGAWA SEIJI1 citations63
US9326433B2Apr 26, 2016

Composite electromagnetic-wave-absorbing film

KAGAWA SEIJI2 citations63
US9238351B2Jan 19, 2016

Composite film of linearly-scratched, thin metal film and plastic film, and its production apparatus

KAGAWA SEIJI2 citations62
US8568673B2Oct 29, 2013

Gas analysis device, mercury removal system, gas analysis method, and removal method for mercury in flue gas

KAGAWA SEIJI3 citations62
US7938998B2May 10, 2011

Easy-to-straight-tearing thermoplastic resin film and its production method and apparatus

KAGAWA SEIJI5 citations62

MITSUBISHI HITACHI POWER SYS

7 patents

TONEN SEKIYUKAGAKU KK

6 patents

MITSUBISHI HEAVY IND LTD

6 patents

(unassigned)

3 patents

UKAI NOBUYUKI

3 patents

SUDO NORITO

2 patents

KAGAWA ATSUKO

1 patent

FUKUDA TOSHIHIRO

1 patent

Showing the top 50 of 93 patents by PatentIndex Score.