P

Inventor

HAJI KATSUHIKO

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

NIPPON OIL CO LTD

8 patents
US5516445AMay 14, 1996

Fluid having magnetic and electrorheological effects simultaneously and

NIPPON OIL CO LTD19 citations92
US5746934AMay 5, 1998

Electro rheological fluid comprising lyotropic liquid crystalline polymer

NIPPON OIL CO LTD13 citations73
US5705088AJan 6, 1998

Electrorheological fluid containing carbonaceous particles

NIPPON OIL CO LTD5 citations73
US5536426AJul 16, 1996

Electrorheological fluid containing carbonaceous particles

NIPPON OIL CO LTD6 citations73
US5536428AJul 16, 1996

Electro rheological fluid comprising lyotropic liquid crystalline polymer

NIPPON OIL CO LTD5 citations73
US5523157AJun 4, 1996

Dispersion particles for fluid having magnetic and electrorheological effects

NIPPON OIL CO LTD12 citations73
US5928393AJul 27, 1999

Fuel additive

NIPPON OIL CO LTD10 citations71
US5679280AOct 21, 1997

Electro rheological fluid

NIPPON OIL CO LTD4 citations62

NIPPON MITSUBISHI OIL CORP

1 patent
US6514298B2Feb 4, 2003

Fuel additive and fuel composition

NIPPON MITSUBISHI OIL CORP20 citations79

NIPPON OIL COMPANY CO LTD

1 patent
US5863469AJan 26, 1999

Electrorheological fluid comprising lyotropic liquid crystalline polymer and a cyclic ketone solvent

NIPPON OIL COMPANY CO LTD1 citations45