Yokohama, Japan

Jiro Chiba

This inventor holds 19 USPTO granted patents, primarily in Glass and Ceramic Technology. Top assignees: Asahi Glass Company, Limited, Asahi Techno Glass Corporation, Iwaki Glass Co., Ltd.. Active years: 1976-2010.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Jiro Chiba. Retrieved from https://idiyas.com/inventor/jiro-chiba

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

Calculating rank

% Patents Active = 89.5

Average Co-Inventor Count = 2.3

ph-index = 13

Forward Citations = 347(Granted Patents)


Location History:

  • Yokohama, JA (1976)
  • Fukushima, JP (2001)
  • Kanagawa, JP (2002)
  • Yokohama, JP (1978 - 2010)

Company Filing History:


Years Active: 1976-2010

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Areas of Expertise:
Dielectric Composition
Glass Sheet Production
Ceramic Substrate
Laminated Dielectric
Curved Glass Plate
Sealing Glass
Plasma Display Panel
Color Composition
Porous Glass
Numerical Control Systems
Barium Borosilicate Glass
Electrically Insulating Coating
19 patents (USPTO):Explore Patents

Title: Innovations in Substrate Technology: The Legacy of Jiro Chiba

Introduction: Jiro Chiba, a prominent inventor based in Yokohama, Japan, has made significant contributions to the field of glass and dielectric materials. With a notable portfolio of 19 patents, Chiba's work focuses on enhancing the properties and production processes of substrates used in various applications.

Latest Patents: Among his latest innovations, Jiro Chiba has developed a process for producing a reliable substrate by minimizing the bleeding of boric acid from a green sheet that comprises borosilicate glass. This advancement improves the printability of conductive patterns and prevents disconnection. Another key patent describes the production process of a substrate using a specific borosilicate glass powder that is treated at elevated temperatures before pulverization. Additionally, Chiba has worked on a non-lead glass formulation for fabricating dielectrics, which comprises a carefully balanced composition of various oxides, minimizing the use of alkali metal oxides. His contributions also include glass ceramic compositions specifically for dielectrics, further broadening the scope of applicability in electrical components.

Career Highlights: Jiro Chiba has had a distinguished career, working with esteemed companies such as Asahi Glass Company, Limited and Iwaki Glass Co., Ltd. During his tenure at these organizations, he was instrumental in advancing glass technology and dielectric materials, earning recognition as a leading inventor in his field. His impressive portfolio of patents reflects his commitment to innovation and excellence.

Collaborations: Chiba's innovative journey has included collaborations with notable colleagues such as Yoshinori Kokubu and Mitsuo Takabatake. These partnerships have fostered a creative environment, leading to breakthroughs that have significantly influenced modern glass and substrate technologies.

Conclusion: Jiro Chiba's contributions to substrate technology and dielectric materials represent a remarkable blend of innovation and practicality. His patents ensure that we continue to advance in fields requiring reliable and efficient materials. With a foundation built on collaboration and extensive research, Chiba's legacy will inspire future inventors and innovators in the materials science domain.

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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