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For the Inventor, By the Inventor

Hirakata, Japan

Hiroshi Kawarada

This inventor holds 6 USPTO granted patents. Top assignee: Matsushita Electric Industrial Co., Ltd.. Active years: 1976-1984.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroshi Kawarada. Retrieved from https://idiyas.com/inventor/hiroshi-kawarada-vs27sqdf

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

USPTO Granted Patents = 6

% Patents Active = 100.0

Average Co-Inventor Count = 3.2

ph-index = 6

Forward Citations = 138(Granted Patents)


Location History:

  • Hirakata, JA (1976 - 1977)
  • Hirakata, JP (1978 - 1984)

Company Filing History:

goldMedal6 out of 27,375 
 
Matsushita Electric Industrial Co., Ltd.
 patents

Years Active: 1976-1984

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6 patents (USPTO):Explore Patents
1. 4490015 - Liquid crystal color display panel (1984-12-25),
2. 4402999 - Method of preparation of substrates for liquid crystal display devices (1983-09-06),
3. 4332075 - Method of producing thin film transistor array (1982-06-01),
4. 4099091 - Electroluminescent panel including an electrically conductive layer (1978-07-04),
5. 4015166 - X-Y matrix type electroluminescent display panel (1977-03-29),
6. 3984586 - Method of making a manganese-activated zinc sulphide electroluminescent (1976-10-05),

Title: Hiroshi Kawarada: Innovator in Liquid Crystal Display Technology

Introduction

Hiroshi Kawarada is a prominent inventor known for his contributions to liquid crystal display technology. He is based in Hirakata, Japan, and has been awarded a total of 6 patents throughout his career. His work has significantly advanced the field of display technology, particularly in enhancing the performance of liquid crystal displays.

Latest Patents

Kawarada's latest patents include a liquid crystal color display panel that improves positive contrast by utilizing the Guest-Host effect. This innovative approach enhances the visual quality of displays, making them more vibrant and clear. Another notable patent is a method for the preparation of substrates for liquid crystal display devices. This method involves creating an electrode substrate that ensures the proper alignment of liquid crystal and dichroic dye molecules, resulting in improved display performance.

Career Highlights

Hiroshi Kawarada has had a distinguished career at Matsushita Electric Industrial Co., Ltd., where he has played a crucial role in developing advanced display technologies. His expertise in liquid crystal displays has made him a valuable asset to the company and the industry as a whole.

Collaborations

Throughout his career, Kawarada has collaborated with notable colleagues, including Toshio Tatsumichi and Nobumasa Ohshima. These collaborations have fostered innovation and contributed to the success of various projects in the field of display technology.

Conclusion

Hiroshi Kawarada's contributions to liquid crystal display technology have made a lasting impact on the industry. His innovative patents and collaborative efforts continue to shape the future of display 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]
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