Inventor · disambiguated record
Tadashi Okumura
Also filed as: OKUMURA TADASHI
16 granted patents·5 pending applications·147 citations·filing 1981–2021
91Inventor score
Files withHITACHI LTD6HITACHI GLOBAL STORAGE TECH4FUJI ELECTRIC CO LTD2GOHSYU CORP2OCLARO JAPAN INC2
Top patents by PatentIndex Score
21 records- 0195US6771449B1Falling sensor and the information processing device making use of itHITACHI GLOBAL STORAGE TECH·Filed 2000·Granted Aug 3, 2004·57 cites·20 claims
- 0293US6995939B2Falling sensor and the information processing device making use of itHITACHI GLOBAL STORAGE TECH·Filed 2004·Granted Feb 7, 2006·35 cites·3 claims
- 0375US9523825B2Optical transmission module and manufacturing method thereofOCLARO JAPAN INC·Filed 2015·Granted Dec 20, 2016·2 cites·18 claims
- 0471US4590658ATube wall thickness measurementFUJI ELECTRIC CO LTD·Filed 1983·Granted May 27, 1986·25 cites·2 claims
- 0569US9269869B2Semiconductor optical elementOKUMURA TADASHI·Filed 2011·Granted Feb 23, 2016·2 cites·16 claims
- 0660US4491731ATube wall thickness measurementFUJI ELECTRIC CO LTD·Filed 1981·Granted Jan 1, 1985·16 cites·16 claims
- 0757US2022209507A1Semiconductor laser device and method of manufacturing the sameUSHIO ELECTRIC INC·Filed 2021·Application pending·0 cites
- 0856US11423286B2Computing system and methodHITACHI LTD·Filed 2020·Granted Aug 23, 2022·0 cites·13 claims
- 0956US7301721B2Falling sensor and the information processing device making use of itHITACHI GLOBAL STORAGE TECH·Filed 2005·Granted Nov 27, 2007·0 cites·14 claims
- 1054US9664866B2Optical transmission module and manufacturing method thereofOCLARO JAPAN INC·Filed 2016·Granted May 30, 2017·0 cites·17 claims
- 1149US2020334516A1Computer and data processing methodHITACHI LTD·Filed 2020·Application pending·0 cites
- 1248US12314848B2Computer system and model training methodHITACHI LTD·Filed 2020·Granted May 27, 2025·0 cites·8 claims
- 1348US11423299B2Device and computer realizing calculation of reservoir layer of reservoir computingHITACHI LTD·Filed 2018·Granted Aug 23, 2022·0 cites·7 claims
- 1448US2022209508A1Semiconductor laser device and optical apparatusUSHIO ELECTRIC INC·Filed 2021·Application pending·0 cites
- 1547US6536257B2Speed-changing gear manufacturing apparatusGOHSYU CORP·Filed 2001·Granted Mar 25, 2003·4 cites·7 claims
- 1647US2019227044A1Artificial olfactory sensing system and manufacturing method of the sameHITACHI LTD·Filed 2019·Application pending·0 cites
- 1743US7628539B2Bearing mechanism, carriage assembly, and magnetic disk driveHITACHI GLOBAL STORAGE TECH·Filed 2005·Granted Dec 8, 2009·0 cites·3 claims
- 1840US2018293495A1Computer system and computation method using recurrent neural networkHITACHI LTD·Filed 2018·Application pending·0 cites
- 1933US9032773B2Manufacturing apparatus of plate-like tooth profile memberOKUMURA TADASHI·Filed 2010·Granted May 19, 2015·0 cites·1 claims
- 2026US6161415ACold deep hole forming deviceGOHSYU CORP·Filed 1999·Granted Dec 19, 2000·1 cites·2 claims
- 2118US6260400B1Full enclosed forging apparatusGOHYSU CORP·Filed 1999·Granted Jul 17, 2001·5 cites·3 claims
Join the waitlist — get patent alerts
Get an alert when Tadashi Okumura 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 →