Inventor · disambiguated record
Keiichi Ishizuka
Also filed as: ISHIZUKA KEIICHI
3 granted patents·5 pending applications·23 citations·filing 2000–2024
65Inventor score
Top patents by PatentIndex Score
8 records- 0171US6464847B1Sputtering targetNIKKO MATERIALS CO LTD·Filed 2000·Granted Oct 15, 2002·16 cites·14 claims
- 0269US7344263B2Optical element and processing method for the sameCANON KK·Filed 2005·Granted Mar 18, 2008·7 cites·18 claims
- 0367US2024384376A1Alloy, alloy member, apparatus, and method of manufacturing alloyCANON KK·Filed 2024·Application pending·0 cites
- 0467US2024279781A1Alloy, alloy member, instrument, and method of manufacturing alloyCANON KK·Filed 2024·Application pending·0 cites
- 0562US2023272548A1Alloy member, apparatus, and method for manufacturing alloy memberCANON KK·Filed 2023·Application pending·0 cites
- 0656US11840749B2Magnesium-lithium-based alloyCANON KK·Filed 2020·Granted Dec 12, 2023·0 cites·13 claims
- 0755US2022298609A1Magnesium-lithium-based alloyCANON KK·Filed 2022·Application pending·0 cites
- 0840US2016223727A1Optical unit, optical element and method for manufacturing the sameCANON KK·Filed 2014·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →