Takamasa Kawakami

This inventor holds 16 USPTO granted patents. Top assignees: Mitsubishi Gas Chemical Company, Inc., Agency of Industrial Science and Technology. Active years: 1976-1995.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takamasa Kawakami. Retrieved from https://idiyas.com/inventor/takamasa-kawakami

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 = 4.2

ph-index = 9

Forward Citations = 221(Granted Patents)

Location History:

Niigata, JA (1976 - 1978)
Niigata, JP (1981 - 1992)
Ibaraki, JP (1992 - 1995)
Tsukuba, JP (1993 - 1995)

Company Filing History:

16 out of 2,304

Mitsubishi Gas Chemical Company, Inc.

patents

1 out of 1,430

Agency of Industrial Science and Technology

patents

where one patent can have more than one assignee

Years Active: 1976-1995

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16 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5382333 - Process for producing copper clad laminate (1995-01-17),

2. 5378428 - Method of preserving article with an oxygen absorbent composition (1995-01-03),

3. 5252355 - Process for producing multilayered printed board (1993-10-12),

4. 5250101 - Process for the production of fine powder (1993-10-05),

5. 5244621 - Process for shaping ceramic composites (1993-09-14),

6. 5134097 - Silicon nitride-silicon carbide composite material and process for (1992-07-28),

7. 5106462 - Process of producing copper plated resin article (1992-04-21),

8. 5094686 - Process for producing copper fine powder (1992-03-10),

9. 5093510 - Process for producing copper formate (1992-03-03),

10. 4913938 - Method for producing copper film-formed articles (1990-04-03),

11. 4800182 - Silicon nitride-silicon carbide composite material and process for (1989-01-24),

12. 4613490 - Process for preparing silicon nitride, silicon carbide or fine powdery (1986-09-23),

13. 4594330 - Fine amorphous powder and process for preparing fine powdery mixture of (1986-06-10),

14. 4298545 - Process for producing phthalonitrile (1981-11-03),

15. 4082786 - Process of production of aromatic nitriles (1978-04-04),

Title: The Innovative Contributions of Takamasa Kawakami

Introduction

Takamasa Kawakami, an esteemed inventor from Ibaraki, Japan, has made significant contributions to the field of materials science and preservation methods. With a remarkable portfolio of 16 patents, he has pioneered various technologies that enhance product longevity and performance.

Latest Patents

One of Kawakami's latest innovations is a patent for a Process for Producing Copper Clad Laminate. This process involves producing a copper-clad laminate using a specially treated copper foil. The treatment includes subjecting the surface to chemical oxidation, which forms a fine roughness consisting of copper oxide, followed by reduction in a gas-rich atmosphere. Another noteworthy patent is the Method of Preserving Article with an Oxygen Absorbent Composition. This method focuses on preserving an article by enclosing it along with an oxygen absorbent parcel in a gas-barrier container and sealing it. The parcel is designed with a gas-permeable packing material and incorporates a linear hydrocarbon polymer, oxidation promoters, and various functional substances to enhance its efficacy.

Career Highlights

Kawakami's professional journey includes significant stints at major companies such as Mitsubishi Gas Chemical Company, Inc., where he contributed to research and development initiatives. He has also served as the Director-General of the Agency of Industrial Science and Technology, where his leadership guided advancements in industrial research.

Collaborations

Throughout his career, Kawakami has collaborated with notable professionals, including Kazuhiro Ando and Kansei Izaki. These partnerships have enabled him to combine expertise and innovate effectively in the field of materials science.

Conclusion

Takamasa Kawakami stands out as a distinguished inventor whose work has greatly influenced the domains of material technology and preservation methods. His innovative patents and leadership in industrial science continue to inspire fellow inventors and researchers, further driving advancements in these critical areas.

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]