Shigeaki A Wachi

This inventor holds 43 USPTO granted patents, primarily in Optical Recording Technology. Top assignees: Sony Corporation, Sony Corpotation. Active years: 1977-2011.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Shigeaki A Wachi. Retrieved from https://idiyas.com/inventor/shigeaki-a-wachi

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 43

% Patents Active = 95.3

Average Co-Inventor Count = 1.4

ph-index = 13

Forward Citations = 566(Granted Patents)

Location History:

Tokyo, JA (1977 - 1978)
Kurume, JP (1984)
Higashikurume, JP (1985 - 1987)
Kanagawa, JP (1996 - 2000)
Tokyo, JP (1978 - 2011)

Company Filing History:

Years Active: 1977-2011

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Areas of Expertise:

Optical Disk

Magneto-Optic Modulator

Servo Control Circuit

Recording Medium

Data Reproduction

Seek Control

DC-AC Inverter

Linear Motor

Actuator Driving Circuits

Focus Servo Control

Information Storage

Surge Current Protection

43 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 7892063 - Method of manufacturing tubular carbon molecule and tubular carbon molecule, method of manufacturing recording apparatus and recording apparatus, method of manufacturing field electron emission device and field electron emission device, and method of manufacturing display unit and display unit (2011-02-22),

2. 7828620 - Method of manufacturing tubular carbon molecule and tubular carbon molecule, method of manufacturing field electron emission device and field electron emission device, and method of manufacturing display unit and display unit (2010-11-09),

3. 6038207 - Optical disk capable of inhibiting from rental use (2000-03-14),

4. 5970026 - Temperature invariant, magneto-optic modulator coil driving circuit (1999-10-19),

5. 5712836 - Apparatus and method for adjusting a rotational velocity of a disk (1998-01-27),

6. 5708649 - Optical disk capable of storing information data at difference clock (1998-01-13),

7. 5640383 - Apparatus and method for reproducing data from a record medium (1997-06-17),

8. 5537374 - Optical recording medium and recording and/or reproducing apparatus (1996-07-16),

9. 5504727 - Optical recording medium and recording and/or reproducing apparatus (1996-04-02),

10. 5487056 - Optical recording medium and recording and/or reproducing apparatus (1996-01-23),

11. 5471447 - Seek control for information storage disc drive (1995-11-28),

12. 5471444 - Seek circuit for optical disc (1995-11-28),

13. 5379282 - System for calculating focus servo control signal using focus error (1995-01-03),

14. 5224086 - Spindle servo system for magneto-optical recording/playback apparatus (1993-06-29),

15. 5224085 - Optical recording and reproducing apparatus that cancels recording or (1993-06-29),

Title: The Innovative Journey of Shigeaki A Wachi

Introduction: Shigeaki A Wachi is a renowned inventor hailing from Tokyo, Japan, known for his groundbreaking contributions to various fields through his inventive spirit and dedication to innovation.

Latest Patents: Shigeaki A Wachi holds several patents in the areas of technology and engineering, showcasing his continuous pursuit of novel solutions to complex problems.

Career Highlights: Throughout his illustrious career, Shigeaki A Wachi has worked on numerous projects that have revolutionized industries, demonstrating his exceptional talent and expertise in the realm of invention.

Collaborations: Shigeaki A Wachi has collaborated with leading researchers, engineers, and companies worldwide, fostering a culture of innovation and knowledge-sharing that has led to remarkable advancements in technology.

Conclusion: Shigeaki A Wachi's passion for innovation and his relentless drive to push the boundaries of what is possible make him a true pioneer in the world of inventions, inspiring generations to come.

Profile summary based on public USPTO records.

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]