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For the Inventor, By the Inventor

Chiba, Japan

Takashi Morinaga

This inventor holds 4 USPTO granted patents. Top assignee: Hitachi Chemical Company, Ltd.. Active years: 1979-1993.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takashi Morinaga. Retrieved from https://idiyas.com/inventor/takashi-morinaga

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

USPTO Granted Patents = 4

% Patents Active = 100.0

Average Co-Inventor Count = 5.4

ph-index = 4

Forward Citations = 55(Granted Patents)


Location History:

  • Hitachi, JP (1979)
  • Ichihara, JP (1986)
  • Chiba, JP (1990 - 1993)

Company Filing History:

goldMedal4 out of 1,641 
 
Hitachi Chemical Company, Ltd.
 patents

Years Active: 1979-1993

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4 patents (USPTO):Explore Patents
1. 5212279 - Hot-melt adhesive and its use in polyimide film and printed circuit board (1993-05-18),
2. 4954612 - Solvent-soluble polyimide and production thereof (1990-09-04),
3. 4591626 - Polymers of tricyclo[5.2.1.0.sup.2,6 ]deca-8-yl (meth)acrylate (1986-05-27),
4. 4151226 - Process for producing thermoplastic resin highly resistant to impact and (1979-04-24),

Title: Takashi Morinaga: Innovator in Adhesive Technologies

Introduction

Takashi Morinaga is a prominent inventor based in Chiba, Japan. He has made significant contributions to the field of adhesive technologies, holding a total of 4 patents. His work focuses on developing innovative materials that enhance the performance of electronic devices.

Latest Patents

Morinaga's latest patents include a hot-melt adhesive and its use in polyimide film and printed circuit boards. This hot-melt adhesive, which comprises a special polyamideimide or polyamide, exhibits excellent heat resistance and adhesive strength, making it suitable for providing substrates for printed circuit boards. Another notable patent is for a solvent-soluble polyimide obtained from an exo-form dicarboxylic acid anhydride with an aromatic diamine, such as 2,2-bis[4-(4-aminophenoxy)phenyl]propane. This innovation improves film-forming properties and transparency, making it particularly suitable for producing orientation controlling films in liquid crystal display devices.

Career Highlights

Morinaga is currently employed at Hitachi Chemical Company, Ltd., where he continues to push the boundaries of adhesive technology. His work has been instrumental in advancing materials that are critical for modern electronics.

Collaborations

Some of his notable coworkers include Hiromu Miyajima and Yoshihiro Nomura. Their collaborative efforts contribute to the innovative environment at Hitachi Chemical Company, Ltd.

Conclusion

Takashi Morinaga's contributions to adhesive technologies have made a significant impact in the field of electronics. His innovative patents reflect his commitment to advancing material science and improving the performance of electronic devices.

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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