Kayo Hasegawa

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Oil well pipe
- Patent number 6,361,841
- Issue date Mar 26, 2002
- NKK Corporation
- Kayo Hasegawa
- E21 - EARTH DRILLING MINING
Information Patent Grant
Film formed from polyethylene-2,6-naphthalate resin, process for pr...
- Patent number 5,990,248
- Issue date Nov 23, 1999
- NKK Corporation
- Shinichiro Mori
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Film formed from polyethylene-2,6-naphthalate resin, process for pr...
- Patent number 5,858,490
- Issue date Jan 12, 1999
- NKK Corporation
- Shinichiro Mori
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Ester copolymer resin, alloy thereof and packaging material using t...
- Patent number 5,804,267
- Issue date Sep 8, 1998
- NKK Corporation
- Yasuhiro Harada
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Ester copolymer resin, alloy thereof and packaging material using t...
- Patent number 5,750,219
- Issue date May 12, 1998
- NKK Corporation
- Yasuhiro Harada
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL