Kazuhito Kurita

This inventor holds 56 USPTO granted patents, plus 1 CIPO patent and 2 EPO patents, primarily in Disc Recording Technology (CPC class G11B). Top assignees: Sony Corporation, Mitsumi Electric Company Ltd., Sony Kabushiki Kaisha. Active years: 1992-2014.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kazuhito Kurita. Retrieved from https://idiyas.com/inventor/kazuhito-kurita

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

Calculating rank

USPTO Granted Patents = 56

% Patents Active = 42.9

CIPO Patents = 1

EPO Patents = 2 (Patent Applications = 1)

Average Co-Inventor Count = 2.4

ph-index = 5

Forward Citations = 110(Granted Patents)

Forward Citations (Not Self Cited) = 96(Dec 10, 2025)

Inventors with similar research interests:

Location History:

Tokyo, JP (1992 - 1999)
Kanagawa, JP (1997 - 2014)

Company Filing History:

Mitsumi Electric Company Ltd.

patents

1 out of 27

Sony Kabushiki Kaisha

patents

where one patent can have more than one assignee

Years Active: 1992-2014

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Areas of Expertise:

Disc Cartridge

Recording Apparatus

Playback Mechanism

Ejection Mechanism

Optical Pickup

Storage Medium

Reproducing Device

Magneto-Optical

Cartridge Holder

Drive Unit

Detection Device

Buffering Mechanism

56 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 8671421 - Reproducing device (2014-03-11),

2. 8448199 - Player and spindle motor with skirt section having resin lead-in features (2013-05-21),

3. 7761889 - Disc cartridge protecting member, and disc cartridge (2010-07-20),

4. 7730504 - Disc cartridge (2010-06-01),

5. 7596796 - Disk cartridge, and disk recording and/or reproducing device (2009-09-29),

6. 7555763 - Disk cartridge (2009-06-30),

7. 7540007 - Disk cartridge with shutter locking member (2009-05-26),

8. 7533394 - Disk recording and/or reproduction apparatus (2009-05-12),

9. 7526783 - Disk cartridge (2009-04-28),

10. 7526782 - Shutter member for disc cartridge, disc cartridge and disc recording/reproducing apparatus (2009-04-28),

11. 7496934 - Chassis and cartridge holder with ejection mechanism for ejecting a cartridge from a disk apparatus (2009-02-24),

12. 7493635 - Recording medium drive device, electronic equipment having the recording medium drive device, and recording medium cartridge (2009-02-17),

13. 7492547 - Cartridge device with an ejection slider having a projection insertable into a positioning recess (2009-02-17),

14. 7475410 - Disc recording and/or playback apparatus (2009-01-06),

15. 7441255 - Disk recording/reproducing apparatus with cartridge drop preventing mechanism having elastic flap portion (2008-10-21),

Title: Kazuhito Kurita: Pioneering Innovations in Reproducing Devices

Introduction

Kazuhito Kurita, an accomplished inventor based in Kanagawa, Japan, has made significant contributions to the field of technology through his innovative designs and patents. With a remarkable portfolio of 56 patents, Kurita has been at the forefront of developing cutting-edge reproducing devices and related technologies.

Latest Patents

Two of Kurita's latest patents showcase his ingenuity and technical expertise. The first patent pertains to a reproducing device that allows a recording medium cartridge to be directly inserted into a mechanical deck. This design includes an erroneous insertion-preventing portion that conforms to the curved shape of the cartridge, ensuring seamless and accurate insertion during use.

The second patent involves a sophisticated spindle motor design that incorporates a rotor made of metal with a circular top surface and a tubular skirt section. This innovative spindle motor features a disk table made of synthetic resin, designed with first resin lead-in holes that enhance connection and functionality, offering an advanced solution for modern mechanical decks.

Career Highlights

Throughout his career, Kazuhito Kurita has been associated with prestigious companies, including Sony Corporation and Mitsumi Electric Company Ltd. His work at these organizations has allowed him to develop and refine his inventions while contributing to the advancement of the industry. His dedication and innovative spirit have earned him recognition in the field of technology.

Collaborations

Kurita has collaborated with talented individuals such as Mikinori Matsuda and Takahiro Yamada. These collaborative efforts have led to the successful development and patenting of various technologies, further enriching Kurita's portfolio and the industry.

Conclusion

Kazuhito Kurita stands as a prominent inventor whose contributions to reproducing devices have significantly impacted technology. With a diverse range of patents and a history of collaboration with industry professionals, Kurita's work continues to inspire future innovations in the field. His achievements exemplify the spirit of invention and the importance of creativity in driving technological advancement.

Profile summary based on public USPTO records.