Inventor · disambiguated record
Yoshifumi Ichikawa
Also filed as: ICHIKAWA YOSHIFUMI
6 granted patents·58 citations·filing 1999–2020
82Inventor score
Top patents by PatentIndex Score
6 records- 0166US6349558B1Ammonia refrigeratorHITACHI LTD·Filed 2000·Granted Feb 26, 2002·21 cites·5 claims
- 0264US6634182B2Ammonia refrigeratorHITACHI LTD·Filed 2002·Granted Oct 21, 2003·16 cites·7 claims
- 0357US6532755B2Brine cooling apparatusHITACHI LTD·Filed 2002·Granted Mar 18, 2003·8 cites·4 claims
- 0449US6418749B2Brine cooling apparatusHITACHI LTD·Filed 2001·Granted Jul 16, 2002·5 cites·4 claims
- 0544US11872759B2Lamination molding apparatusSODICK CO LTD·Filed 2020·Granted Jan 16, 2024·0 cites·15 claims
- 0638US6253566B1Brine cooling apparatusHITACHI LTD·Filed 1999·Granted Jul 3, 2001·8 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →