P

Inventor

ISHIKAWA TAKAO

JP66 patents
⚠️ This page may combine multiple inventors who share the name “ISHIKAWA TAKAO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HITACHI LTD

17 patents
US6045764AApr 4, 2000

Exhaust gas purifying method and catalyst used therefor

HITACHI LTD68 citations96
US5712024AJan 27, 1998

Anti-reflector film, and a display provided with the same

HITACHI LTD47 citations91
US5501883AMar 26, 1996

Material for use as a transparent conductive film and method for making a transparent conductive film using the material

HITACHI LTD28 citations91
US5935717AAug 10, 1999

Functional film having inorganic thin on surface of organic film article using the same and process for producing the same

HITACHI LTD30 citations89
US7568452B2Aug 4, 2009

Engine system

HITACHI LTD15 citations84
US7193009B2Mar 20, 2007

Electronic device using low dielectric loss tangent insulators for high frequency signals

HITACHI LTD11 citations84
US7805271B2Sep 28, 2010

Evaluation system for amount of emission gases through fuel supply chain

HITACHI LTD15 citations83
US7654232B2Feb 2, 2010

Hydrogen engine system

HITACHI LTD12 citations83
US10197019B2Feb 5, 2019

Ethanol engine system

HITACHI LTD9 citations82
US6756441B2Jun 29, 2004

Low dielectric loss tangent resin composition, curable film and cured product, electrical part using the same and method for production thereof

HITACHI LTD9 citations74
US9660284B2May 23, 2017

Power conversion system

HITACHI LTD2 citations72
US6930140B2Aug 16, 2005

Low dielectric loss tangent resin composition, curable film and cured product, electrical part using the same and method for production thereof

HITACHI LTD2 citations63
US6855952B2Feb 15, 2005

Semiconductor device and semiconductor package

HITACHI LTD2 citations63
US7527660B2May 5, 2009

Hydrogen fuel manufacturing method and system with control program for use therein

HITACHI LTD3 citations62
US6928206B2Aug 9, 2005

Wavelength division multiplex optical switch

HITACHI LTD2 citations62
US11888195B2Jan 30, 2024

Fuel cell power generation system

HITACHI LTD0 citations60
US8033255B2Oct 11, 2011

Engine system

HITACHI LTD0 citations52

HONDA MOTOR CO LTD

7 patents

CLARION CO LTD

5 patents

SHIMADA ATSUSHI

3 patents

TOSHIBA KK

2 patents

NOJIMA MASAFUMI

2 patents

KAO CORP

2 patents

NISSAN MOTOR

2 patents

INFINEUM INT LTD

1 patent

RENESAS TECH CORP

1 patent

IDEMITSU KOSAN CO

1 patent

NIPPON OIL CORP

1 patent

TACHI S CO

1 patent

FUJITSU LTD

1 patent

MARTIN JEAN MICHEL

1 patent

TOYOTA BOSHOKU KK

1 patent

NOUJIMA MASAFUMI

1 patent

NEC CORP

1 patent

Showing the top 50 of 66 patents by PatentIndex Score.