Chigasaki, Japan

Jun-Ichi Yasukawa

This inventor holds 11 USPTO granted patents. Top assignees: Shinto Paint Co., Ltd., Sumitomo Chemical Company, Limited, Honda Motor Co., Ltd.. Active years: 1979-2002.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Jun-Ichi Yasukawa. Retrieved from https://idiyas.com/inventor/jun-ichi-yasukawa

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


% Patents Active = 100.0

Average Co-Inventor Count = 5.5

ph-index = 4

Forward Citations = 45(Granted Patents)


Location History:

  • Chigasaki, JP (1979 - 2001)
  • Kanagawa Pref., JP (2002)

Company Filing History:


Years Active: 1979-2002

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11 patents (USPTO):Explore Patents

Title: Innovations of Jun-Ichi Yasukawa

Introduction

Jun-Ichi Yasukawa is a prominent inventor based in Chigasaki, Japan. He holds a total of 11 patents, showcasing his significant contributions to the field of liquid crystal display technology. His innovative methods have paved the way for advancements in display manufacturing processes.

Latest Patents

One of his latest patents is a method of manufacturing a color filter for a reflective liquid crystal display. This method involves several steps, including coating a layer of positive photoresist on a reflective substrate, exposing the photoresist layer to light through a mask, and electrodepositing color paint to form a color filter layer. This process ensures a uniform thickness and high fineness in pattern arrangement. Another notable patent is related to a liquid crystal panel characterized by compartmentalized color filters and strategically positioned spacers. This invention enhances display performance and quality through a meticulous production process involving multiple exposure and development steps.

Career Highlights

Throughout his career, Jun-Ichi Yasukawa has worked with notable companies such as Shinto Paint Co., Ltd. and Sumitomo Chemical Company, Limited. His experience in these organizations has contributed to his expertise in developing innovative technologies in the display industry.

Collaborations

Some of his coworkers include Tsutomu Watanabe and Toshiaki Ota, who have collaborated with him on various projects, further enhancing the scope of his inventions.

Conclusion

Jun-Ichi Yasukawa's contributions to the field of liquid crystal displays through his innovative patents and collaborations highlight his role as a key inventor in this technology. His work continues to influence advancements in display manufacturing processes.

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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