Inventor · disambiguated record
Koichi Zama
Also filed as: ZAMA KOICHI
8 granted patents·4 pending applications·71 citations·filing 1995–2023
84Inventor score
Files withNEC CORP3NEC ENERGY DEVICES LTD3DAIDOJI TAKAO2ENVISION AESC ENERGY DEVICES LTD2KUMEUCHI TOMOKAZU1
Top patents by PatentIndex Score
12 records- 0185US8491673B2Method for production of stacked batteryDAIDOJI TAKAO·Filed 2007·Granted Jul 23, 2013·12 cites·4 claims
- 0283US5747916APackaged piezoelectric transformer unitNEC CORP·Filed 1996·Granted May 5, 1998·43 cites·6 claims
- 0371US2023369637A1Secondary batteryENVISION AESC ENERGY DEVICES LTD·Filed 2023·Application pending·0 cites
- 0468US8481199B2Sealed battery with a film casingZAMA KOICHI·Filed 2007·Granted Jul 9, 2013·3 cites·2 claims
- 0565US8814955B2Method for manufacturing lithium ion secondary battery, and packaging thereof containing pre-charged lithium ion secondary batteryKUMEUCHI TOMOKAZU·Filed 2010·Granted Aug 26, 2014·1 cites·5 claims
- 0654US9601745B2Non-aqueous electrolyte secondary batteryNEC ENERGY DEVICES LTD·Filed 2014·Granted Mar 21, 2017·0 cites·3 claims
- 0754US2020243895A1Secondary batteryENVISION AESC ENERGY DEVICES LTD·Filed 2018·Application pending·0 cites
- 0851US2011195298A1Stacked secondary batteryNEC ENERGY DEVICES LTD·Filed 2009·Application pending·0 cites
- 0950US8049463B2Stacked battery module and battery packNEC ENERGY DEVICES LTD·Filed 2006·Granted Nov 1, 2011·1 cites·10 claims
- 1041US2011293996A1Stacked secondary battery and production method thereofDAIDOJI TAKAO·Filed 2009·Application pending·0 cites
- 1140US6060819APiezoelectric transformerNEC CORP·Filed 1997·Granted May 9, 2000·7 cites·16 claims
- 1234US5583829APiezoelectric vibrator with an improved supporting structureNEC CORP·Filed 1995·Granted Dec 10, 1996·4 cites·24 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →