Keiichi Okada

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Yokohama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Methods for increasing storage capacity and improving performance i...
- Patent number 12,106,772
- Issue date Oct 1, 2024
- Western Digital Technologies, Inc.
- Keiichi Okada
- G11 - INFORMATION STORAGE
Information Patent Grant
Seek time to the beginning position of data on tape media
- Patent number 11,990,154
- Issue date May 21, 2024
- Western Digital Technologies, Inc.
- Akira Sakagami
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical disk drive and methods for counting the number of tracks on...
- Patent number RE36864
- Issue date Sep 12, 2000
- International Business Machines Corporation
- Naoyuki Kagami
- 369 - Dynamic information storage or retrieval
Information Patent Grant
Focusing servo in an optical disk drive
- Patent number 5,384,762
- Issue date Jan 24, 1995
- International Business Machines Corporation
- Naoyuki Kagami
- G11 - INFORMATION STORAGE
Information Patent Grant
Apparatus and method for controlling the velocity of a disk storage...
- Patent number 5,255,253
- Issue date Oct 19, 1993
- International Business Machines Corporation
- Naoyuki Kagami
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical disk drive and method for counting the number of tracks on...
- Patent number 5,199,017
- Issue date Mar 30, 1993
- International Business Machines Corporation
- Naoyuki Kagami
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Methods for Improving Track Density in Dual-Reel Removable Tape Dev...
- Publication number 20240428823
- Publication date Dec 26, 2024
- Western Digital Technologies, Inc.
- Keiichi OKADA
- G11 - INFORMATION STORAGE
Information Patent Application
METHODS FOR INCREASING STORAGE CAPACITY AND IMPROVING PERFORMANCE I...
- Publication number 20240249747
- Publication date Jul 25, 2024
- Western Digital Technologies, Inc.
- Keiichi OKADA
- G11 - INFORMATION STORAGE