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Shigeaki A Wachi

USPTO Granted Patents = 43

Average Co-Inventor Count = 1.4

ph-index = 13

Forward Citations = 565(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:

42 out of 58,130

Sony Corporation

Sony Corpotation

Years Active: 1977-2011

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Areas of Expertise:

Tubular Carbon Molecule

Field Electron Emission Device

Optical Recording Medium

Magneto-Optic Modulator

Spindle Servo System

Seek Control Circuit

Linear Motor

Servo Control Circuit

Inverter Circuit

Optical Disk Drive

Data Reproducing Apparatus

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.

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