P

Inventor

KATONO HIROKI

JP14 patents
⚠️ This page may combine multiple inventors who share the name “KATONO HIROKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

KUREHA CHEMICAL IND CO LTD

10 patents
US5611965AMar 18, 1997

Plastic optical filter

KUREHA CHEMICAL IND CO LTD48 citations92
US5466755ANov 14, 1995

Optical filter

KUREHA CHEMICAL IND CO LTD34 citations92
US5820779AOct 13, 1998

Polymeric optical low-pass filter and device thereof

KUREHA CHEMICAL IND CO LTD29 citations90
US5793544AAug 11, 1998

Production process of composite optical filter

KUREHA CHEMICAL IND CO LTD7 citations73
US5691838ANov 25, 1997

Infrared-blocking optical fiber

KUREHA CHEMICAL IND CO LTD11 citations73
US5567778AOct 22, 1996

Process for producing an optical filter

KUREHA CHEMICAL IND CO LTD7 citations73
US6410613B1Jun 25, 2002

Phosphate compound and preparation process thereof, phosphate copper compound and preparation process thereof, near infrared ray absorber, and near infrared ray-absorbing acrylic resin composition

KUREHA CHEMICAL IND CO LTD6 citations62
US5759448AJun 2, 1998

Plastic optical material

KUREHA CHEMICAL IND CO LTD3 citations62
US7053231B2May 30, 2006

Building material

KUREHA CHEMICAL IND CO LTD0 citations51
US5672655ASep 30, 1997

Plastic optical material and production process thereof

KUREHA CHEMICAL IND CO LTD0 citations41

KUREHA CORP

3 patents
US7025908B1Apr 11, 2006

Optical filter and process for producing the same

KUREHA CORP73 citations95
US7067074B2Jun 27, 2006

Near-infrared-absorbing composition and optical material

KUREHA CORP4 citations59
US7781519B2Aug 24, 2010

Solubilizer and composition containing same

KUREHA CORP0 citations44

NISSAN CHEMICAL IND LTD

1 patent
US6180224B1Jan 30, 2001

Method of absorbing rays outside a visible region

NISSAN CHEMICAL IND LTD29 citations92