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Inventor
MACHIDA SHIROU
JP
5 patents
⚠️ This page may combine multiple inventors who share the name “MACHIDA SHIROU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
3 patents
US6408193B1
Jun 18, 2002
Cellular telephone
HITACHI LTD
49 citations
94
US6973334B2
Dec 6, 2005
Cellular telephone
HITACHI LTD
25 citations
91
US6917823B2
Jul 12, 2005
Cellular telephone
HITACHI LTD
10 citations
72
AISIN SEIKI
2 patents
US5054375A
Oct 8, 1991
Piston for internal combustion engine
AISIN SEIKI
30 citations
92
US5052281A
Oct 1, 1991
Internal combustion engine piston with top-land circumferential projection arrangement
AISIN SEIKI
7 citations
73