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For the Inventor, By the Inventor

Osaka, Japan

Isao Ota

This inventor holds 10 USPTO granted patents. Top assignee: Matsushita Electric Industrial Co., Ltd.. Active years: 1982-2008.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Isao Ota. Retrieved from https://idiyas.com/inventor/isao-ota-0xxli5r2

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

Calculating rank
USPTO Granted Patents = 10

% Patents Active = 80.0

Average Co-Inventor Count = 3.3

ph-index = 8

Forward Citations = 277(Granted Patents)


Location History:

  • Osaka, JP (1982 - 1992)
  • Takatsuki, JP (2007)
  • Funai-gun, JP (2008)

Company Filing History:

goldMedal10 out of 27,375 
 
Matsushita Electric Industrial Co., Ltd.
 patents

Years Active: 1982-2008

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10 patents (USPTO):Explore Patents
1. 7423380 - Metal halide lamp that has desired color characteristic and is prevented from non-lighting due to leakage of arc tube attributable to crack occurring at thin tube, and lighting apparatus adopting the metal halide lamp (2008-09-09),
2. 7230389 - Metal halide lamp having function for suppressing abnormal discharge (2007-06-12),
3. 5166817 - Liquid crystal display with compensation means of multiaxially elongated (1992-11-24),
4. 5042917 - Liquid crystal matrix display unit (1991-08-27),
5. 5011269 - Method of driving a ferroelectric liquid crystal matrix panel (1991-04-30),
6. 5010327 - Method of driving a liquid crystal matrix panel (1991-04-23),
7. 4775549 - Method of producing a substrate structure for a large size display panel (1988-10-04),
8. 4704002 - Dot matrix display panel with a thin film transistor and method of (1987-11-03),
9. 4496981 - Video camera with a monitor (1985-01-29),
10. 4332075 - Method of producing thin film transistor array (1982-06-01),

Title: Isao Ota: Innovator in Metal Halide Lamp Technology

Introduction

Isao Ota is a prominent inventor based in Osaka, Japan. He has made significant contributions to the field of lighting technology, particularly in the development of metal halide lamps. With a total of 10 patents to his name, Ota's work has advanced the efficiency and functionality of lighting solutions.

Latest Patents

Ota's latest patents include a groundbreaking metal halide lamp designed to achieve desired color characteristics while preventing non-lighting issues caused by arc tube leakage due to cracks. This innovative lamp features an arc tube made of translucent ceramic, equipped with a pair of electrodes and metal halides, including rare earth metal halides, sodium halides, and magnesium halides. The design ensures that when the maximum lamp power is between 70 W and 250 W, specific relations are satisfied to enhance performance. Another notable patent involves a metal halide lamp that suppresses abnormal discharge, utilizing a ceramic arc tube with a unique structure that includes a current suppressing unit.

Career Highlights

Ota is currently employed at Matsushita Electric Industrial Co., Ltd., where he continues to push the boundaries of lighting technology. His work has not only improved the reliability of metal halide lamps but has also contributed to energy efficiency in lighting applications.

Collaborations

Throughout his career, Ota has collaborated with notable colleagues such as Toshio Tatsumichi and Shingo Fujita. These partnerships have fostered innovation and have led to the successful development of advanced lighting solutions.

Conclusion

Isao Ota's contributions to the field of metal halide lamp technology exemplify his dedication to innovation and improvement in lighting solutions. His patents reflect a commitment to enhancing both performance and reliability in the industry.

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]
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