P

Inventor

YAZAWA HIROSHI

JP46 patents
⚠️ This page may combine multiple inventors who share the name “YAZAWA HIROSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

NIPPON PETROCHEMICALS CO LTD

20 patents
US5789328AAug 4, 1998

Bulky nonwoven fabric and method for producing the same

NIPPON PETROCHEMICALS CO LTD71 citations96
US4349500ASep 14, 1982

Method for stretching a fibrous or film-like material

NIPPON PETROCHEMICALS CO LTD81 citations96
US5382773AJan 17, 1995

Apparatus and method for fabricating a perforated web by light

NIPPON PETROCHEMICALS CO LTD59 citations94
US5312500AMay 17, 1994

Non-woven fabric and method and apparatus for making the same

NIPPON PETROCHEMICALS CO LTD83 citations94
US4992124AFeb 12, 1991

Method of making cross-laminated stretched non-woven fabric

NIPPON PETROCHEMICALS CO LTD58 citations94
US6054086AApr 25, 2000

Process of making high-strength yarns

NIPPON PETROCHEMICALS CO LTD48 citations93
US5826314AOct 27, 1998

Device for transversely stretching web

NIPPON PETROCHEMICALS CO LTD50 citations92
US5791030AAug 11, 1998

Web widening apparatus

NIPPON PETROCHEMICALS CO LTD40 citations92
US5729878AMar 24, 1998

Web spreading apparatus

NIPPON PETROCHEMICALS CO LTD51 citations92
US5300166AApr 5, 1994

Apparatus for manufacturing a web and method

NIPPON PETROCHEMICALS CO LTD22 citations92
US5290377AMar 1, 1994

Method for producing reticular nonwoven fabric

NIPPON PETROCHEMICALS CO LTD38 citations92
US5232533AAug 3, 1993

Method for heat-setting cross-laminated non-woven fabrics

NIPPON PETROCHEMICALS CO LTD36 citations92
US6132661AOct 17, 2000

Longitudinally stretched nonwoven fabric and method for producing the same

NIPPON PETROCHEMICALS CO LTD29 citations91
US5307609AMay 3, 1994

Apparatus for wrapping and method therefor

NIPPON PETROCHEMICALS CO LTD52 citations89
US6063492AMay 16, 2000

Adhesive tape and its base fabric

NIPPON PETROCHEMICALS CO LTD10 citations74
US5259097ANov 9, 1993

Stretching machine

NIPPON PETROCHEMICALS CO LTD17 citations73
US4331624AMay 25, 1982

Method and apparatus for biaxially stretching a tubular film

NIPPON PETROCHEMICALS CO LTD14 citations73
US5240160AAug 31, 1993

Rotary splitting tool to fabricate a fibrillated web

NIPPON PETROCHEMICALS CO LTD8 citations70
US6673186B2Jan 6, 2004

Laminated structural body having unidirectionally arranged strands sandwiched between two web layers, and method of and apparatus for efficiently manufacturing such laminated structural body

NIPPON PETROCHEMICALS CO LTD6 citations63
US4335070AJun 15, 1982

Method of manufacturing a reticular web having reinforced selvages

NIPPON PETROCHEMICALS CO LTD3 citations62

POLYMER PROCESSING RES INST

7 patents

NIPPON OIL CO LTD

6 patents

YAZAWA HIROSHI

3 patents

FUJITSU LTD

3 patents

CANON FINETECH NISCA INC

2 patents

YANAGAWA TOSHIHIDE

2 patents

NATORI JUN

1 patent

MATSUBARA MASAZUMI

1 patent

JXTG NIPPON OIL & ENERGY CORP

1 patent