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For the Inventor, By the Inventor

Kanagawa, Japan

Marui Industry Co., Ltd.

Calculating rank
USPTO Granted Patents = 11

Forward Citations = 135

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12 inventors (with patents filed for the assignee):

goldMedal Isao Oyobe (4 out of 4 patents)

silverMedal Masanobu Takeguchi (3 out of 3 patents)

bronzeMedal Shigeru Nakagawa (3 out of 3 patents)

4.  Takao Yamamoto (1 out of 32 patents)

5.  Yukio Tukakoshi (1 out of 1 patent)

6.  Tokichi Kato (1 out of 1 patent)

7.  Taiji Yamabe (1 out of 3 patents)

8.  Naoki Miyagishima (1 out of 1 patent)

9.  Naoaki Kitagawa (1 out of 1 patent)

10.  Yasuyuki Koguro (1 out of 1 patent)

11.  Isao Kondo (1 out of 1 patent)

12.  Kiyotaka Uchikawa (1 out of 1 patent)


11 patents:

1. 5287251 - Control panel (1994-02-15),
2. 5226993 - Set of ornaments (1993-07-13),
3. 4707035 - Synthetic resin vehicle wheel cover (1987-11-17),
4. 4666264 - Mirror using transparent synthetic resin plate (1987-05-19),
5. 4663869 - Display for displaying images in three dimensions (1987-05-12),
6. 4643912 - Method for forming a metal layer with pattern on a substrate (1987-02-17),
7. 4622106 - Methods for producing printed circuits (1986-11-11),
8. 4417411 - Information display device (1983-11-29),
9. 4390432 - Method of purifying water in fish keeping water tank (1983-06-28),
10. 4320085 - Method of inhibiting and eliminating chlorophyceae in water in tank (1982-03-16),
11. 4297222 - Method of purifying water in fish keeping water tank (1981-10-27),
Company Overview
Marui Industry Co., Ltd. is a prominent Japanese company based in Kanagawa, specializing in the development and manufacturing of precision machinery and components. The organization focuses on innovative solutions in various sectors, including automotive and industrial applications. With a commitment to quality and technological advancement, Marui Industry plays a significant role in enhancing manufacturing processes and product performance, contributing to the broader landscape of engineering and technology in Japan and beyond.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 20 2026

11 Patents

#147 in Kanagawa

#4,139 in Japan

#51,801 in the World

Kanagawa, JP
Kanagawa, Japan

Marui Industry Co., Ltd.

Forward Citations = 135

12 inventors:

goldMedal Isao Oyobe (4 out of 4 patents)

silverMedal Masanobu Takeguchi (3 out of 3 patents)

bronzeMedal Shigeru Nakagawa (3 out of 3 patents)

4.  Takao Yamamoto (1 out of 32 patents)

5.  Yukio Tukakoshi (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Marui Industry Co., Ltd.. Retrieved from https://idiyas.com/company/marui-industry-company

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]
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