Takao Kawaki

This inventor holds 16 USPTO granted patents. Top assignees: Mitsubishi Gas Chemical Company, Inc., Mitsubishi Gas Company, Inc.. Active years: 1976-1996.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takao Kawaki. Retrieved from https://idiyas.com/inventor/takao-kawaki

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

USPTO Granted Patents = 16

% Patents Active = 100.0

Average Co-Inventor Count = 4.6

ph-index = 7

Forward Citations = 189(Granted Patents)

Location History:

Tokyo, JA (1976 - 1977)
Tokyo, JP (1981 - 1995)
Tsukuba, JP (1995 - 1996)

Company Filing History:

15 out of 2,304

Mitsubishi Gas Chemical Company, Inc.

patents

1 out of 2

Mitsubishi Gas Company, Inc.

patents

Years Active: 1976-1996

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16 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5543474 - Resin composition (1996-08-06),

2. 5387652 - Resin composition of polyamideimide and polyphenylene sulfide (1995-02-07),

3. 5380907 - Method for preparing aromatic carbonate (1995-01-10),

4. 5321097 - Heat-resistant resin composition (1994-06-14),

5. 5310944 - Process for producing carboxylated compound (1994-05-10),

6. 5051309 - Anti-dazzling polycarbonate polarizing plate (1991-09-24),

7. 5034492 - Sulfur-containing aromatic vinyl compound, crosslinked polymer articles (1991-07-23),

8. 4939218 - Sulfur-containing aliphatic acrylic compound, crosslinked polymer (1990-07-03),

9. 4910283 - Aromatic-aliphatic polycarbonate copolymer (1990-03-20),

10. 4888401 - Molding material for optics (1989-12-19),

11. 4861854 - Photosensitive polyimide precursor (1989-08-29),

12. 4670535 - Photosensitive polyimide precursor and process for producing the same (1987-06-02),

13. 4246398 - Method for recovering polyphenylene oxides (1981-01-20),

14. 4038343 - Resin composition containing copolyphenylene ether (1977-07-26),

15. 4011200 - Novel polyphenylene ether and process for preparing the same (1977-03-08),

Title: Takao Kawaki: Innovator in Resin Composition Technologies

Introduction

Takao Kawaki, an influential inventor based in Tokyo, Japan, holds an impressive portfolio of 16 patents. His contributions to the field of resin compositions reflect significant advancements in material science, particularly concerning polyamideimide and polyphenylene sulfide technologies.

Latest Patents

Among his latest innovations is a unique resin composition that combines polyamideimide and polyphenylene sulfide. This advanced resin is obtained through a meticulous process of melt-kneading an aromatic polyamideimide resin, which is created by polymerizing an aromatic tricarboxylic acid anhydride and a diisocyanate. The resulting resin features at least one specific recurring unit, contributing to its effectiveness in various applications. The molded articles produced from this resin composition exhibit remarkable properties that make them suitable for multiple industrial uses.

Career Highlights

Throughout his career, Takao Kawaki has worked with notable companies, most prominently Mitsubishi Gas Chemical Company, Inc. and Mitsubishi Gas Company, Inc. His experience in these organizations has allowed him to develop and refine his expertise in polymer chemistry and composite materials, leading to his numerous patents.

Collaborations

Takao Kawaki's journey has been marked by valuable collaborations with esteemed colleagues such as Akitoshi Sugio and Katsushige Hayashi. Their combined efforts have fostered a creative environment that has propelled innovative ideas into tangible inventions, further enhancing the field of material sciences.

Conclusion

Takao Kawaki's impressive contributions to resin composition technology through his array of patents showcases his dedication and ingenuity as an inventor. His work continues to influence various industries, underscoring the significance of innovation in material science.

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]