HI

Hirohiko Ikegaya

Yamaha Motor: 13 patents #76 of 2,310Top 4%
📍 Iwata, JP: #83 of 782 inventorsTop 15%
Overall (All Time): #390,246 of 4,157,543Top 10%
13
Patents All Time

Issued Patents All Time

Showing 1–13 of 13 patents

Patent #TitleCo-InventorsDate
5909721 Cylinder block with stepless plating coating and method for forming stepless plating coating 1999-06-08
5865962 Apparatus for surface treatment of work having plural cylinders with different axial alignments 1999-02-02
5863408 Method and device for surface treatment 1999-01-26
5810990 Method for plating and finishing a cylinder bore 1998-09-22
5806481 Cylinder block with stepless plating coating and method for forming stepless plating coating 1998-09-15
5804043 Surface treatment device 1998-09-08
5725745 Electrode feeder for plating system 1998-03-10
5682676 Method for surface treatment of work having plural cylinders with different axial alignments 1997-11-04
5642700 Sliding contact-making structures in internal combustion engine and method for producing same Yasuyuki Murase 1997-07-01
5619962 Sliding contact-making structures in internal combustion engine Yasuyuki Murase 1997-04-15
5580383 Surface treatment apparatus and method Masaaki Isobe, Seishi Watanabe 1996-12-03
5100516 High volume workpiece handling and chemical treating system Kazuyuki Nishimura 1992-03-31
5030320 Chemical surface treatment apparatus and process Kazuyuki Nishimura, Yasuyuki Murase 1991-07-09