% Expired Patents = 28.6

EPO Patents = 1

Forward Citations = 48

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24 inventors (with patents filed for the assignee):

Mamoru Tanabe (2 out of 2 patents)

Motoyuki Yokota (2 out of 2 patents)

Yasumichi Ogawa (2 out of 2 patents)

4. Shohei Fujita (1 out of 4 patents)

5. Yoshiaki Izumi (1 out of 3 patents)

6. Toshiyuki Ohsara (1 out of 1 patent)

7. Tsuneharu Takizawa (1 out of 1 patent)

8. Makoto Miyawaki (1 out of 1 patent)

9. Sosuke Imaoka (1 out of 1 patent)

10. Hirohisa Suzuki (1 out of 1 patent)

11. Seizou Furukawa (1 out of 1 patent)

12. Noboru Yamamoto (1 out of 1 patent)

13. Teruya Fujiwara (1 out of 1 patent)

14. Tadashi Kasamoto (1 out of 1 patent)

15. Shigeto Oga (1 out of 1 patent)

7 patents: Sort by Forward Citations

1. 10641340 - Fitting structure and steering system including the same (2020-05-05),

2. 7484760 - Column hole cover (2009-02-03),

3. 6412520 - Hose for fuel piping (2002-07-02),

4. 5588469 - Hose for automotive fuel piping (1996-12-31),

5. 5518035 - End structure of a hose (1996-05-21),

6. 5184803 - Fluid damped elastomeric bushing (1993-02-09),

7. 4861004 - Fluid damped elastomeric bushing (1989-08-29),

Company Overview

Marugo Rubber Industries, Ltd. is a leading manufacturer of rubber products based in Japan. With over 60 years of experience, they specialize in producing rubber parts for automotive, industrial, and consumer electronic applications. Their commitment to quality and innovation has earned them a reputation for excellence in the industry.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

7 Patents

#8 in Kurashiki

#5,456 in Japan

Kurashiki, Japan

Marugo Rubber Industries, Ltd.

Forward Citations = 48

24 inventors:

Mamoru Tanabe (2 out of 2 patents)

Motoyuki Yokota (2 out of 2 patents)

Yasumichi Ogawa (2 out of 2 patents)

4. Shohei Fujita (1 out of 4 patents)

5. Yoshiaki Izumi (1 out of 3 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Marugo Rubber Industries, Ltd.. Retrieved from https://idiyas.com/company/marugo-rubber-industries

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

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]

1 patent (EPO):

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]