Seiji MARUOKA

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Kyoto, JP

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Patents Grantslast 30 patents

Information Patent Grant
Motor having screws with differing pitch and screw-receiving groove...
- Patent number 10,530,217
- Issue date Jan 7, 2020
- Nidec Corporation
- Seiji Maruoka
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Spindle motor and disk drive apparatus
- Patent number 9,484,058
- Issue date Nov 1, 2016
- Nidec Corporation
- Seiji Maruoka
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
BASE PLATE, SPINDLE MOTOR, DISK DRIVE DEVICE, AND BASE PLATE MANUFA...
- Publication number 20240379122
- Publication date Nov 14, 2024
- NIDEC CORPORATION
- Genya ITAGAKI
- G11 - INFORMATION STORAGE
Information Patent Application
MOTOR
- Publication number 20190214052
- Publication date Jul 11, 2019
- NIDEC CORPORATION
- Kazuhiro SATO
- G11 - INFORMATION STORAGE
Information Patent Application
MOTOR
- Publication number 20190165644
- Publication date May 30, 2019
- NIDEC CORPORATION
- Seiji MARUOKA
- G11 - INFORMATION STORAGE
Information Patent Application
SPINDLE MOTOR AND DISK DRIVE APPARATUS
- Publication number 20160293204
- Publication date Oct 6, 2016
- NIDEC CORPORATION
- Seiji MARUOKA
- G11 - INFORMATION STORAGE