P

Inventor

WATARI KOJI

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

SUMITOMO METAL IND

5 patents
US6475305B1Nov 5, 2002

Machine structural steel product

SUMITOMO METAL IND24 citations92
US5922145AJul 13, 1999

Steel products excellent in machinability and machined steel parts

SUMITOMO METAL IND38 citations92
US6083455AJul 4, 2000

Steels, steel products for nitriding, nitrided steel parts

SUMITOMO METAL IND41 citations89
US6838048B2Jan 4, 2005

Steel for machine structural use and method of producing same

SUMITOMO METAL IND12 citations83
US6797231B2Sep 28, 2004

Steel for machine structural use

SUMITOMO METAL IND8 citations73

NAT INST OF ADVANCED IND SCIEN

2 patents
US6663828B2Dec 16, 2003

Sintering method and apparatus using centrifugal force

NAT INST OF ADVANCED IND SCIEN3 citations59
US7459178B2Dec 2, 2008

Production of oriented material or composite material through centrifugal burning

NAT INST OF ADVANCED IND SCIEN0 citations47

NIPPON STEEL & SUMITOMO METAL CORP

2 patents
US11421727B2Aug 23, 2022

Carburized shaft part

NIPPON STEEL & SUMITOMO METAL CORP0 citations48
US11345982B2May 31, 2022

Shaft part

NIPPON STEEL & SUMITOMO METAL CORP0 citations48

SUMITOMO ELECTRIC INDUSTRIES

1 patent
US5217305AJun 8, 1993

Method of evaluating ceramics

SUMITOMO ELECTRIC INDUSTRIES9 citations73

AGENCY IND SCIENCE TECHN

1 patent
US5902542AMay 11, 1999

Method of producing silicon nitride ceramics having thermal high conductivity

AGENCY IND SCIENCE TECHN16 citations72

PENN STATE RES FOUND

1 patent
US6514476B1Feb 4, 2003

Anisotropically shaped SrTiO3 single crystal particles

PENN STATE RES FOUND9 citations71

(unassigned)

1 patent
US5985802ANov 16, 1999

High-performance lubricant oil

16 citations69

AIST

1 patent
US7267808B2Sep 11, 2007

Aluminum nitride powder, method for producing the same and use thereof

AIST3 citations57