Inventor · disambiguated record
Kazufumi Kato
Also filed as: KATO KAZUFUMI
16 granted patents·5 pending applications·21 citations·filing 2003–2023
89Inventor score
Files withASAHI CHEMICAL IND9SEIKO EPSON CORP5KATO KAZUFUMI4ASAHI KASEI CHEMICALS CORP1ASAHI KASEI FIBERS CORP1
Top patents by PatentIndex Score
21 records- 0186US11697896B2Method for producing a biodegradable nonwoven fabricASAHI CHEMICAL IND·Filed 2017·Granted Jul 11, 2023·2 cites·5 claims
- 0278US8953304B2Solid electrolytic capacitorKATO KAZUFUMI·Filed 2010·Granted Feb 10, 2015·4 cites·12 claims
- 0377US9461290B2SeparatorASAHI KASEI FIBERS CORP·Filed 2013·Granted Oct 4, 2016·3 cites·12 claims
- 0472US2023287611A1Biodegradable Nonwoven FabricASAHI CHEMICAL IND·Filed 2023·Application pending·0 cites
- 0569US7277774B2Transportation state notification system and method, and information storage mediumOMRON TATEISI ELECTRONICS CO·Filed 2005·Granted Oct 2, 2007·3 cites·7 claims
- 0669US2023150230A1Nonwoven Fabric and Composite Sound-Absorbing Material Using Same as Skin MaterialASAHI CHEMICAL IND·Filed 2023·Application pending·0 cites
- 0761US10811658B2Separator and method of preparing the same, and lithium ion secondary batteryASAHI CHEMICAL IND·Filed 2013·Granted Oct 20, 2020·1 cites·12 claims
- 0861US9972913B2Noise absorbing fabricKATO KAZUFUMI·Filed 2010·Granted May 15, 2018·2 cites·11 claims
- 0960US2020316906A1Nonwoven Fabric and Composite Sound-Absorbing Material Using Same as Skin MaterialASAHI CHEMICAL IND·Filed 2018·Application pending·0 cites
- 1057US11960272B2Production line monitoring systemSEIKO EPSON CORP·Filed 2021·Granted Apr 16, 2024·0 cites·4 claims
- 1156US7809468B2Transportation state notification system and method, program, and information storage mediumSEIKO EPSON CORP·Filed 2007·Granted Oct 5, 2010·0 cites·3 claims
- 1253US7224442B2Supply control system and method, program, and information storage mediumSEIKO EPSON CORP·Filed 2004·Granted May 29, 2007·3 cites·2 claims
- 1353US2017002488A1Noise-absorbing sheetASAHI CHEMICAL IND·Filed 2014·Application pending·0 cites
- 1452US9233517B2Electromagnetic shielding sheetKATO KAZUFUMI·Filed 2010·Granted Jan 12, 2016·1 cites·7 claims
- 1551US12195896B2Nonwoven fabric, layered nonwoven fabric comprising the nonwoven fabric, and composite sound-absorbing material using them as skin materialASAHI CHEMICAL IND·Filed 2019·Granted Jan 14, 2025·0 cites·15 claims
- 1651US6990421B2Method of displaying measurement result in inspection process and system thereof, and computer programSEIKO EPSON CORP·Filed 2003·Granted Jan 24, 2006·2 cites·12 claims
- 1751US2008113135A1Easy Opening BagASAHI KASEI CHEMICALS CORP·Filed 2005·Application pending·0 cites
- 1850USRE43405EMethod of displaying measurement result in inspection process and system thereof, and computer programKATO KAZUFUMI·Filed 2008·Granted May 22, 2012·0 cites·12 claims
- 1949US10700325B2Nonwoven fabric separator for lead storage battery, and lead storage battery using sameASAHI CHEMICAL IND·Filed 2017·Granted Jun 30, 2020·0 cites·21 claims
- 2042US11341833B2Industrial plant monitoring systemSEIKO EPSON CORP·Filed 2021·Granted May 24, 2022·0 cites·5 claims
- 2141US11117725B2Packaging material for sterilizationASAHI CHEMICAL IND·Filed 2017·Granted Sep 14, 2021·0 cites·19 claims
Join the waitlist — get patent alerts
Get an alert when Kazufumi Kato 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 →