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Maruyama Mfg. Co., Ltd.

USPTO Granted Patents = 60

EPO Patents = 5

Trademarks = 1

Forward Citations = 604

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41 inventors (with patents filed for the assignee):

Katsumi Kiyooka (11 out of 11 patents)

Junichi Miyamoto (9 out of 10 patents)

Terutaka Yasuda (9 out of 10 patents)

4. Toshihisa Nemoto (8 out of 11 patents)

5. Kaori Katoh (8 out of 8 patents)

6. Nobuo Tojo (5 out of 5 patents)

7. Kazuhiro Yoshida (4 out of 4 patents)

8. Yoichi Ishikawa (3 out of 16 patents)

9. Toshiaki Ohnishi (3 out of 3 patents)

10. Masaya Hashimoto (3 out of 3 patents)

11. Shinji Ohwaku (3 out of 3 patents)

12. Toshiro Nakanishi (2 out of 2 patents)

13. Keiichi Moriya (2 out of 5 patents)

14. Kouichi Shinotsuka (2 out of 2 patents)

15. Kousuke Kawaguchi (2 out of 2 patents)

Core Competencies:

Power Sprayer

Internal Combustion Engine

Reciprocating Pump

Backpack Blower

Two-Cycle Engine

Centrifugal Blower

Chemical Spraying Machine

Irrigation Apparatus

Air Cleaner

Blower Nozzle

Hedge Trimmer

Bush Cutter

60 patents: Sort by Forward Citations

1. D1076011 - Power sprayer (2025-05-20),

2. D1009078 - Internal combustion engine (2023-12-26),

3. 10480427 - Choke valve structure (2019-11-19),

4. D858582 - Reciprocating pump (2019-09-03),

5. 10190534 - Two-cycle engine (2019-01-29),

6. 10119538 - Reciprocating pump (2018-11-06),

7. 10085390 - Backpack type blowing apparatus (2018-10-02),

8. D815377 - Blower nozzle attachment (2018-04-10),

9. 9932973 - Reciprocating pump with high-pressure seal (2018-04-03),

10. D806330 - Backpack blower (2017-12-26),

11. D798515 - Nozzle for blower (2017-09-26),

12. 9015901 - Portable air blower (2015-04-28),

13. 8833624 - Backpack type working machine (2014-09-16),

14. 8549761 - Chain saw (2013-10-08),

15. 8366409 - Reciprocating pump (2013-02-05),

Maruyama Mfg. Co., Ltd. is a Japanese company specializing in the manufacturing of professional outdoor power equipment. They have been in the industry for over 125 years, providing high-quality products such as chainsaws, trimmers, blowers, and more. Maruyama is known for their innovative technology and commitment to customer satisfaction. Their website offers detailed information about their product range, customer support, and global presence. Visit their website to explore their extensive range of outdoor power equipment.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Jan 6 2026

60 Patents

#628 in Tokyo

#1,504 in Japan

#11,793 in the World

Maruyama Mfg. Co., Ltd.

Forward Citations = 604

41 inventors:

Katsumi Kiyooka (11 out of 11 patents)

Junichi Miyamoto (9 out of 10 patents)

Terutaka Yasuda (9 out of 10 patents)

4. Toshihisa Nemoto (8 out of 11 patents)

5. Kaori Katoh (8 out of 8 patents)

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