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Inventor
SAGAWA WATARU
JP
5 patents
⚠️ This page may combine multiple inventors who share the name “SAGAWA WATARU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
2 patents
US6803591B2
Oct 12, 2004
Medical particle irradiation apparatus
HITACHI LTD
195 citations
97
US4505763A
Mar 19, 1985
Heat-treating method of weld portion of piping system and heating coil for the heat treatment
HITACHI LTD
22 citations
79
HITACHI SETSUBI ENG KK
2 patents
US7030396B2
Apr 18, 2006
Medical particle irradiation apparatus
HITACHI SETSUBI ENG KK
148 citations
96
US6903356B2
Jun 7, 2005
Medical particle irradiation apparatus
HITACHI SETSUBI ENG KK
119 citations
96
MITSUBISHI PENCIL CO
1 patent
US12325255B2
Jun 10, 2025
Writing instrument
MITSUBISHI PENCIL CO
0 citations
60