Tajima Roofing Co., Ltd.

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USPTO Granted Patents = 10

Forward Citations = 419

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5 inventors (with patents filed for the assignee):

Kaname Yamamoto (9 out of 10 patents)

Eiichi Tajima (7 out of 11 patents)

Takayoshi Imai (4 out of 4 patents)

4. Enzo L Coltrinari (1 out of 18 patents)

5. Takeshi Saito (1 out of 1 patent)

10 patents: Sort by Forward Citations

1. 4636414 - Laminated bituminous roofing membrane (1987-01-13),

2. 4374687 - Process for making a built-up thermal insulating and bituminous (1983-02-22),

3. 4357377 - Thermal insulating and bituminous waterproofing board and application (1982-11-02),

4. 4248926 - Flashing sheet (1981-02-03),

5. 4091135 - Laminated bituminous roofing membrane (1978-05-23),

6. 4055453 - Process for producing laminated bituminous roofing membrane (1977-10-25),

7. 4045265 - Combined application process of thermal insulation and built-up roofing (1977-08-30),

8. 4039706 - Laminated bituminous roofing membrane (1977-08-02),

9. 4029741 - Recovery of antimony sulfides (1977-06-14),

10. 3937640 - Process for manufacturing a waterproofing assembly of laminated (1976-02-10),

Company Overview

Tajima Roofing Co., Ltd. is a prominent player in the roofing industry, specializing in the development and manufacturing of high-quality roofing materials and systems. The company is known for its innovative approaches to roofing technology, focusing on durability, energy efficiency, and aesthetic appeal. Based in Tokyo, Japan, Tajima Roofing serves a diverse clientele, providing solutions that cater to both residential and commercial sectors. Their commitment to quality and sustainability positions them as a leader in the roofing market.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 27 2026

10 Patents

#1,916 in Tokyo

#4,406 in Japan

#56,119 in the World

Tokyo, Japan