Kawasaki, Japan

Masaru Ishiwa

This inventor holds 8 USPTO granted patents. Top assignees: Sharp Kabushiki Kaisha Corporation, Fujitsu Corporation, Fujitsu Display Technologies Corporation. Active years: 1994-2009.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masaru Ishiwa. Retrieved from https://idiyas.com/inventor/masaru-ishiwa

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


% Patents Active = 75.0

Average Co-Inventor Count = 2.6

ph-index = 6

Forward Citations = 147(Granted Patents)


Location History:

  • Kawasaki, JP (1994 - 2008)
  • Yokohama, JP (2009)
  • Kanagawa, JP (2009)

Company Filing History:


Years Active: 1994-2009

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8 patents (USPTO):Explore Patents

Title: Masaru Ishiwa: Innovator in Display Technology

Introduction

Masaru Ishiwa is a prominent inventor based in Kawasaki, Japan. He has made significant contributions to the field of display technology, holding a total of 8 patents. His work primarily focuses on backlight units and liquid crystal display devices, which have enhanced the quality of visual displays.

Latest Patents

One of Ishiwa's latest patents involves a backlight unit and a liquid crystal display device that incorporates a light source, a reflection sheet, a light guide plate, an air space, and a diffuser. The design features individual light sources with varying spectra or light emission quantities positioned near the incident plane of the light guide plate. Additionally, scatter dots are strategically placed on the plane facing the reflection sheet to optimize light propagation. This innovative approach results in excellent display quality for the devices that utilize his technology.

Career Highlights

Throughout his career, Masaru Ishiwa has worked with notable companies such as Sharp Corporation and Fujitsu Corporation. His experience in these organizations has allowed him to refine his skills and contribute to advancements in display technology.

Collaborations

Ishiwa has collaborated with several talented individuals in his field, including Tetsuya Hamada and Toshihiro Suzuki. Their combined expertise has further propelled innovations in display technology.

Conclusion

Masaru Ishiwa's contributions to display technology through his patents and collaborations have significantly impacted the industry. His innovative designs continue to enhance the quality of visual displays, showcasing his importance as an inventor.

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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