IDiyas

For the Inventor, By the Inventor

Matsubara, Japan

Hideyoshi Yamaoka

USPTO Granted Patents = 16

Average Co-Inventor Count = 4.3

ph-index = 10

Forward Citations = 298(Granted Patents)


Location History:

  • Osaka, JP (1991)
  • Matsubara, JP (1985 - 1998)

Company Filing History:

goldMedal16 out of 25,530 
 
Sharp Kabushiki Kaisha Corporation
 patents

Years Active: 1985-1998

Loading Chart...
16 patents (USPTO):Explore Patents
1. 5738765 - Magneto-optic memory device (1998-04-14),
2. 5714251 - Magneto-optic memory device (1998-02-03),
3. 5331623 - Optical retrieval system for encoding pit angular data and optical (1994-07-19),
4. 5214636 - Optical recording element having a plurality of thin film filtering (1993-05-25),
5. 5200941 - Optical retrieval system for encoding pit angular data and optical (1993-04-06),
6. 5013494 - Process for preparing blazed holograms (1991-05-07),
7. 4988165 - Object lens driving device (1991-01-29),
8. 4739431 - Thin-film magnetic head (1988-04-19),
9. 4721368 - Optical system in a magneto-optical memory device (1988-01-26),
10. 4660190 - Optical focus position control in optical disc apparatus (1987-04-21),
11. 4658393 - Optical memory disc (1987-04-14),
12. 4658390 - Optical focus position control in an optical memory system (1987-04-14),
13. 4634617 - Optical memory disc (1987-01-06),
14. 4610912 - Magneto-optic memory element (1986-09-09),
15. 4573149 - Magneto-optical head assembly with improved detection means (1986-02-25),

Title: Innovations of Hideyoshi Yamaoka

Introduction

Hideyoshi Yamaoka is a prominent inventor based in Matsubara, Japan. He has made significant contributions to the field of magneto-optic memory devices, holding a total of 16 patents. His work has advanced the technology used in data storage and retrieval.

Latest Patents

Yamaoka's latest patents include innovative designs for magneto-optic memory devices. One of his inventions features a magneto-optic memory device that includes a transparent dielectric film made of a non-oxygen containing nitride material. This film is deposited by sputtering on a substrate such as glass. The device also incorporates a rare-earth/transition metal alloy recording medium, which is deposited on the dielectric film, along with a reflecting film that may or may not have an intervening transparent dielectric film. This arrangement effectively prevents the recording medium from being oxidized, stabilizing coercive force characteristics and enhancing information recording capabilities. Another patent describes a similar magneto-optic memory device, which comprises a recording medium deposited on a glass substrate, a transparent dielectric film formed on the recording medium, and a reflecting film on the dielectric film. This design also aims to prevent oxidation and stabilize the recording medium's characteristics.

Career Highlights

Yamaoka is currently associated with Sharp Kabushiki Kaisha Corporation, where he continues to innovate in the field of memory devices. His work has been instrumental in developing technologies that improve data storage efficiency and reliability.

Collaborations

Yamaoka has collaborated with notable colleagues, including Kenji Ohta and Akira Takahashi. Their combined expertise has contributed to the advancement of magneto-optic technologies.

Conclusion

Hideyoshi Yamaoka's contributions to the field of magneto-optic memory devices have been significant, with numerous patents showcasing his innovative spirit. His work continues to influence the future of data storage technology.

This text is generated by artificial intelligence and may not be accurate.
Please report any incorrect information to support@idiyas.com
Loading…