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Inventor

IBUKI TSUTOMU

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

MITSUBISHI RAYON CO

5 patents
US6767422B1Jul 27, 2004

Shaft for light-weight golf clubs

MITSUBISHI RAYON CO25 citations90
US6705954B2Mar 16, 2004

Golf club shaft and method for manufacturing same

MITSUBISHI RAYON CO17 citations83
US6905422B2Jun 14, 2005

Shaft for light-weight golf clubs

MITSUBISHI RAYON CO10 citations71
USD709152SJul 15, 2014

Golf club shaft

MITSUBISHI RAYON CO2 citations61
US7582177B2Sep 1, 2009

Process for production of fiber-reinforced plastic tubing

MITSUBISHI RAYON CO1 citations47

MRC COMPOSITE PRODUCTS CO LTD

3 patents
USD618297SJun 22, 2010

Golf club shaft

MRC COMPOSITE PRODUCTS CO LTD12 citations89
USD602108SOct 13, 2009

Golf club shaft

MRC COMPOSITE PRODUCTS CO LTD13 citations89
USD606147SDec 15, 2009

Golf club shaft

MRC COMPOSITE PRODUCTS CO LTD9 citations80

ITOU AKINARI

2 patents
USD664620SJul 31, 2012

Golf club shaft

ITOU AKINARI8 citations77
USD664226SJul 24, 2012

Golf club shaft

ITOU AKINARI8 citations77

MRC COMPOSITE PRODUCT CO LTD

2 patents
USD602107SOct 13, 2009

Golf club shaft

MRC COMPOSITE PRODUCT CO LTD6 citations70
USD596254SJul 14, 2009

Golf club shaft

MRC COMPOSITE PRODUCT CO LTD5 citations59

KANEKO TAKASHI

1 patent
US8206238B2Jun 26, 2012

Shaft for golf club

KANEKO TAKASHI9 citations82

MIWA YOUHEI

1 patent
US9856354B2Jan 2, 2018

Epoxy resin composition and prepreg using the same, fiber-reinforced composite resin tubular body manufactured from the prepreg and manufacturing method therefor, and fiber-reinforced composite resin molded body

MIWA YOUHEI0 citations27