Inventor

HIRAO KENICHIRO

JP6 patents

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

FUJI HOLLOW VALVE INC

2 patents

US10526933B2Jan 7, 2020

Hollow engine valve and manufacturing method therefor

FUJI HOLLOW VALVE INC4 citations65

US11215091B2Jan 4, 2022

Hollow engine valve and manufacturing method therefor

FUJI HOLLOW VALVE INC0 citations55

MITSUBISHI HEAVY IND MACHINE TOOL CO LTD

1 patent

US9427795B2Aug 30, 2016

Method for producing a hollow engine valve

MITSUBISHI HEAVY IND MACHINE TOOL CO LTD8 citations82

MORII HIROKAZU

1 patent

US9302317B2Apr 5, 2016

Method for manufacturing hollow engine valve

MORII HIROKAZU5 citations69

FUJIMURA NORITAKA

1 patent

US8827608B2Sep 9, 2014

Tool tight-contact-state detector for machine tool

FUJIMURA NORITAKA5 citations67

YAMASHITA TSUGUMARU

1 patent

US8561290B2Oct 22, 2013

Work line module and work facility

YAMASHITA TSUGUMARU6 citations64