Inventor · disambiguated record
Hajime Osako
Also filed as: OSAKO HAJIME
9 granted patents·3 pending applications·74 citations·filing 1996–2023
82Inventor score
Top patents by PatentIndex Score
12 records- 0197US5938865AProcess for producing high-strength seamless steel pipe having excellent sulfide stress cracking resistanceSUMITOMO METAL IND·Filed 1996·Granted Aug 17, 1999·66 cites·7 claims
- 0295US11975754B2Sensor device and steering wheelALPS ALPINE CO LTD·Filed 2021·Granted May 7, 2024·4 cites·13 claims
- 0380US12304549B2Sensor device and steering wheelALPS ALPINE CO LTD·Filed 2023·Granted May 20, 2025·0 cites·38 claims
- 0463US8006528B2Method for producing duplex stainless steel pipe, method for straightening, method for regulating strength, and method for operating straightenerSUMITOMO METAL IND·Filed 2009·Granted Aug 30, 2011·2 cites·1 claims
- 0559US8091394B2Foreign pipe or tube determining methodOSAKO HAJIME·Filed 2008·Granted Jan 10, 2012·2 cites·2 claims
- 0653US11456127B2Switch deviceALPS ALPINE CO LTD·Filed 2021·Granted Sep 27, 2022·0 cites·7 claims
- 0750US2008283161A1High strength seamless steel pipe excellent in hydrogen-induced cracking resistance and its production methodMURAO NOBUTOSHI·Filed 2008·Application pending·0 cites
- 0848US8601852B2Method of manufacturing seamless pipe and tubeOSAKO HAJIME·Filed 2008·Granted Dec 10, 2013·0 cites·2 claims
- 0948US2009183805A1Cooling method of a steel pipeOSAKO HAJIME·Filed 2008·Application pending·0 cites
- 1047US7416617B2High strength seamless steel pipe excellent in hydrogen-induced cracking resistanceSUMITOMO METAL IND·Filed 2005·Granted Aug 26, 2008·0 cites·2 claims
- 1146US9704668B2Input deviceALPS ELECTRIC CO LTD·Filed 2016·Granted Jul 11, 2017·0 cites·5 claims
- 1241US2006231168A1Seamless steel tubes and pipes for use in oil wellNAKAMURA KEIICHI·Filed 2006·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Hajime Osako 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 →