Inventor · disambiguated record
Katsubumi Nagasu
Also filed as: NAGASU KATSUBUMI
4 granted patents·3 pending applications·11 citations·filing 2005–2019
67Inventor score
Files withFUJIKURA LTD7
Top patents by PatentIndex Score
7 records- 0183US10578796B2Optical fiber and method for manufacturing sameFUJIKURA LTD·Filed 2017·Granted Mar 3, 2020·5 cites·10 claims
- 0280US7772841B2Magnetic deviceFUJIKURA LTD·Filed 2010·Granted Aug 10, 2010·5 cites·8 claims
- 0353US10995030B2Manufacturing method of optical fiber preformFUJIKURA LTD·Filed 2019·Granted May 4, 2021·0 cites·9 claims
- 0448US7782049B2Magnetic deviceFUJIKURA LTD·Filed 2008·Granted Aug 24, 2010·1 cites·7 claims
- 0542US2005155390A1Apparatus for manufacturing porous glass preform for optical fiberFUJIKURA LTD·Filed 2005·Application pending·0 cites
- 0638US2017285259A1Optical fiber preform, optical fiber, and method of manufacturing optical fiberFUJIKURA LTD·Filed 2016·Application pending·0 cites
- 0736US2010090692A1Magnetic sensor module and piston position detectorFUJIKURA LTD·Filed 2008·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Katsubumi Nagasu 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 →