Hitoshi Tamai

This inventor holds 8 USPTO granted patents and 3 published patent applications and 9 EPO patents. Top assignee: Kaneka Corporation. Active years: 2002-2021.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hitoshi Tamai. Retrieved from https://idiyas.com/inventor/hitoshi-tamai

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

USPTO Granted Patents = 8 (Patent Applications = 3)

% Patents Active = 75.0

EPO Patents = 9 (Patent Applications = 1)

Average Co-Inventor Count = 2.7

ph-index = 1

Forward Citations = 10(Granted Patents)

Location History:

Takasago, JP (2002 - 2004)
Hyogo, JP (2010)
Settsu, JP (2013)
Osaka, JP (2011 - 2021)

Company Filing History:

8 out of 1,772

Kaneka Corporation

patents

Years Active: 2002-2021

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8 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 11066509 - Conductive paste composition, device comprising electrode formed from same, and method for producing conductive paste composition (2021-07-20),

2. 10373732 - Transparent electrode film, dimming element, and method for manufacturing transparent electrode film (2019-08-06),

3. 10353497 - Substrate with conductive layers, substrate with touch-panel transparent electrodes, and method for fabricating same (2019-07-16),

4. 8389630 - Curable composition (2013-03-05),

5. 8067498 - Curable composition (2011-11-29),

6. 7807746 - Curable composition (2010-10-05),

7. 6812279 - Method for producing (meth) acrylic acid ester polymer (2004-11-02),

8. 6383648 - Curable composition for topcoating and articles coated therewith (2002-05-07),

Title: Hitoshi Tamai: Innovator in Conductive Materials

Introduction

Hitoshi Tamai is a prominent inventor based in Osaka, Japan. He has made significant contributions to the field of conductive materials, holding a total of eight patents. His innovative work focuses on developing advanced conductive paste compositions and transparent electrode films.

Latest Patents

Tamai's latest patents include a conductive paste composition and a method for producing it. This conductive paste composition consists of 1 to 10 parts by weight of a binder, 2 to 20 parts by weight of an epoxy monomer, 1 to 20 parts by weight of a crosslinking agent, and 70 to 95 parts by weight of a conductive filler. The binder is a reactive oligomer with a siloxane bond as its main skeleton, incorporating multiple oxirane rings. Additionally, he has developed a transparent electrode film that features a transparent conductive layer and a conductive metal pattern layer, designed for enhanced performance in various applications.

Career Highlights

Hitoshi Tamai is currently employed at Kaneka Corporation, where he continues to push the boundaries of innovation in conductive materials. His work has garnered attention for its practical applications in electronics and other industries.

Collaborations

Tamai collaborates with talented coworkers, including Ayako Yano and Takahisa Fujimoto, who contribute to his research and development efforts.

Conclusion

Hitoshi Tamai's contributions to the field of conductive materials exemplify the spirit of innovation. His patents reflect a commitment to advancing technology and improving product performance.

Profile summary based on public USPTO records.