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Inventor
HENMI HIROJI
JP
5 patents
⚠️ This page may combine multiple inventors who share the name “HENMI HIROJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
RIKEN KK
3 patents
US9359921B2
Jun 7, 2016
Sintered iron-based alloy valve seat
RIKEN KK
36 citations
90
US6802883B2
Oct 12, 2004
Iron-based sintered alloy for use as valve seat and its production method
RIKEN KK
14 citations
81
US7241327B2
Jul 10, 2007
Iron-based sintered alloy with dispersed hard particles
RIKEN KK
6 citations
59
TAKAHASHI RINTAROU
1 patent
US8844903B2
Sep 30, 2014
Valve seat
TAKAHASHI RINTAROU
7 citations
78
KK RIKEN
1 patent
US10233793B2
Mar 19, 2019
Valve seat of sintered iron-based alloy
KK RIKEN
1 citations
57