Inventor · disambiguated record
Hiroyuki Katsukawa
Also filed as: KATSUKAWA HIROYUKI
14 granted patents·4 pending applications·486 citations·filing 1984–2008
94Inventor score
Top patents by PatentIndex Score
18 records- 0194US7914932B2All-solid-state batteryNGK INSULATORS LTD·Filed 2007·Granted Mar 29, 2011·20 cites·9 claims
- 0291US4833726AHelmet with two-way radio communication facultyNGK INSULATORS LTD·Filed 1987·Granted May 23, 1989·108 cites·41 claims
- 0389US5202812AApparatus for detecting faults on power transmission linesNGK INSULATORS LTD·Filed 1989·Granted Apr 13, 1993·72 cites·11 claims
- 0488US7510800B2All-solid-state batteryNGK INSULATORS LTD·Filed 2007·Granted Mar 31, 2009·11 cites·7 claims
- 0587US4648131AWork helmet having transmitter-receiver for light signalNGK INSULATORS LTD·Filed 1984·Granted Mar 3, 1987·78 cites·10 claims
- 0685US6442015B1Electrochemical capacitorsNGK INSULATORS LTD·Filed 1999·Granted Aug 27, 2002·81 cites·15 claims
- 0776US6487066B1Electric double layer capacitor and method for producing the sameNGK INSULATORS LTD·Filed 1999·Granted Nov 26, 2002·48 cites·12 claims
- 0862US5243293ASystem utilizing optical current sensors for detecting fault location in substationNGK INSULATORS LTD·Filed 1989·Granted Sep 7, 1993·19 cites·14 claims
- 0953US6501640B1Electrochemical capacitorNGK INSULATORS LTD·Filed 2000·Granted Dec 31, 2002·7 cites·1 claims
- 1051US5136680AOptical fiber built-in type composite insulator and method for producing the sameNGK INSULATORS LTD·Filed 1991·Granted Aug 4, 1992·13 cites·1 claims
- 1151US2008213674A1Secondary batteryNGK INSULATORS LTD·Filed 2008·Application pending·0 cites
- 1250US2008081257A1All-solid battery elementNGK INSULATORS LTD·Filed 2007·Application pending·0 cites
- 1347US8142934B2Positive electrode for non-aqueous electrolytic secondary cell and non-aqueous electrolytic secondary cellOKADA SHIGETO·Filed 2006·Granted Mar 27, 2012·0 cites·6 claims
- 1446US5069525AOptical fiber built-in type composite insulator and method of producing the sameNGK INSULATORS LTD·Filed 1989·Granted Dec 3, 1991·9 cites·14 claims
- 1542US5103164AOptical current transformerKAWAGUCHI TOSHIYUKI·Filed 1990·Granted Apr 7, 1992·11 cites·10 claims
- 1639US6309428B1Method for producing electrochemical capacitorNGK INSULATORS LTD·Filed 1999·Granted Oct 30, 2001·9 cites·2 claims
- 1735US2002112330A1Manufacturing method of capacitorNGK INSULATORS LTD·Filed 2001·Application pending·0 cites
- 1834US2002163773A1Electrochemical capacitorNGK INSULATORS LTD·Filed 2002·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Hiroyuki Katsukawa files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →