Takeo Kitayama

This inventor holds 31 USPTO granted patents, primarily in Thermoplastic Resin Molding. Top assignees: Sumitomo Chemical Company, Limited, Other. Active years: 1994-2004.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takeo Kitayama. Retrieved from https://idiyas.com/inventor/takeo-kitayama

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

USPTO Granted Patents = 31

% Patents Active = 80.6

Average Co-Inventor Count = 2.8

ph-index = 8

Forward Citations = 222(Granted Patents)

Location History:

Takatsuki, JP (1995 - 2001)
Ibaraki, JP (1994 - 2004)
Osaka, JP (1998 - 2004)
Scarsdale, NY (US) (2004)
New York, NY (US) (2004)

Company Filing History:

30 out of 6,960

Sumitomo Chemical Company, Limited

patents

1 out of 834,453

Other

patents

Years Active: 1994-2004

Loading Chart...

Areas of Expertise:

Multilayer Molding

Foamed Materials

Fiber Reinforcement

Polypropylene Composites

Injection Molding

Thermoplastic Resin

Molding Apparatus

Composite Materials

Hollow Containers

Manufacturing Processes

Skin Material Laminating

Concrete Forms

31 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6835340 - Process for producing multilayer molded article (2004-12-28),

2. 6824863 - Fiber reinforced polypropylene-based composite material (2004-11-30),

3. 6815047 - Foamed thermoplastic resin sheet and manufacturing method of the same (2004-11-09),

4. 6811388 - Mold clamping unit and injection molding apparatus (2004-11-02),

5. 6790020 - System for producing foamed article, a molten resin preparing apparatus and a molding apparatus for use in foamed article production system (2004-09-14),

6. 6713139 - Hollow foamed polyolefinic resin container (2004-03-30),

7. 6685875 - Foamed thermoplastic resin molding and process for producing the same (2004-02-03),

8. 6660195 - Process for producing a skin material-laminated foamed thermoplastic resin molding (2003-12-09),

9. 6616879 - Methods for producing multilayer molded articles (2003-09-09),

10. 6579488 - Process for producing a thermoplastic resin molded article (2003-06-17),

11. 6548577 - Wood-filled thermoplastic resin composition and a process for producing the same (2003-04-15),

12. 6521073 - Process for producing multilayer molded article (2003-02-18),

13. 6520759 - Manufacturing device of foamed thermoplastic resin sheet (2003-02-18),

14. 6497838 - Process for producing a hollow foamed polyolefinic resin container (2002-12-24),

15. 6428306 - Molding mold (2002-08-06),

Title: The Innovative Journey of Takeo Kitayama: A Pioneer in Multilayer Molded Articles

Introduction: Takeo Kitayama, a renowned inventor hailing from Ibaraki, Japan, has left a significant mark in the realm of patented innovations with a total of 31 patents to his credit. His groundbreaking work in the field of composite materials has revolutionized the manufacturing industry.

Latest Patents: Among Kitayama's recent patents is the "Process for producing a multilayer molded article," a method that involves the integration of a skin material with nap onto a synthetic resin substrate using a specialized mold. This innovative process ensures the recovery of the nap while preventing it from flattening, thus optimizing the overall quality of the molded article.

Career Highlights: Throughout his illustrious career, Kitayama has made notable contributions to various companies, including Sumitomo Chemical Company, Limited. His expertise in developing fiber-reinforced polypropylene-based composite materials has not only enhanced product performance but has also paved the way for advancements in material science.

Collaborations: Kitayama's collaborative efforts with esteemed colleagues such as Masahito Matsumoto and Nobuhiro Usui have further enriched his innovative endeavors. Together, they have synergized their skills and knowledge to push the boundaries of composite material development, resulting in cutting-edge solutions for diverse applications.

Conclusion: Takeo Kitayama's exceptional work in the field of multilayer molded articles and composite materials underscores his unwavering commitment to innovation and excellence. His patents stand as a testament to his pioneering spirit and relentless pursuit of pushing the boundaries of what is possible in the realm of materials 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]