Masao Ohkita

This inventor holds 29 USPTO granted patents, primarily in Magnetic Recording Technology. Top assignee: Alps Electric Co., Ltd.. Active years: 1978-2002.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masao Ohkita. Retrieved from https://idiyas.com/inventor/masao-ohkita

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

USPTO Granted Patents = 29

% Patents Active = 100.0

Average Co-Inventor Count = 2.6

ph-index = 8

Forward Citations = 188(Granted Patents)

Location History:

Miyagi-ken, JP (1998 - 2001)
Furukawa, JP (1978 - 2002)

Company Filing History:

29 out of 4,048

Alps Electric Co., Ltd.

patents

Years Active: 1978-2002

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Areas of Expertise:

Magnetic Recording

Disk Drive

Reflector Design

Liquid Crystal Display

Ejection Mechanism

Motor Assembly

Bearing Structure

Disk Cartridge

Switch Assembly

Cutter

Aerosol Spray

29 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6429919 - Reflector having pits and projection on a surface thereof, manufacturing method for the same, and reflection-type liquid crystal display device employing the reflector (2002-08-06),

2. 6421106 - Reflector having pits and projections on a surface thereof, manufacturing method for the same, and reflection type liquid crystal display device employing the reflector (2002-07-16),

3. 6256280 - Disk ejection device (2001-07-03),

4. 6233113 - Magnetic recording/regenerating apparatus (2001-05-15),

5. 6233112 - Magnetic recording/regenerating apparatus (2001-05-15),

6. 6188541 - Magnetic recording-reproducing device (2001-02-13),

7. 5940248 - Mechanism in disk drive apparatus for preventing insertion of a disk (1999-08-17),

8. 5861687 - Motor and recording and/or reproducing apparatus using the motor (1999-01-19),

9. 5859485 - Bearing structure for stepping motor (1999-01-12),

10. 5796547 - Disk cartridge and drive mechanism thereof (1998-08-18),

11. 5432312 - Push-lock devices (1995-07-11),

12. 5105321 - Disk drive including flexible print board and back tension regulating (1992-04-14),

13. 5101305 - Disk drive device including a V-shaped air filter (1992-03-31),

14. 5099374 - Disk drive with improved structure for fastening bearing assembly to (1992-03-24),

15. 5012366 - Magnetic head supporting device (1991-04-30),

Title: The Inventor Masao Ohkita

Introduction: Masao Ohkita is a renowned inventor hailing from Miyagi-ken, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Masao Ohkita holds several patents in various technological domains, showcasing his continuous dedication to pushing the boundaries of innovation.

Career Highlights: Throughout his illustrious career, Masao Ohkita has been instrumental in developing cutting-edge technologies that have revolutionized industries and improved the lives of many.

Collaborations: Masao Ohkita has collaborated with leading research institutions, universities, and companies worldwide, fostering a culture of innovation and knowledge-sharing.

Conclusion: Masao Ohkita's passion for innovation and his relentless pursuit of excellence have solidified his reputation as a pioneering inventor in the realm of technology.

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]