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For the Inventor, By the Inventor

Tokyo, Japan

Rheon Automatic Machinery Co., Ltd.

Calculating rank
USPTO Granted Patents = 188

% Expired Patents = 7.4



Forward Citations = 1,493

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93 inventors (with patents filed for the assignee):

goldMedal Torahiko Hayashi (72 out of 72 patents)

silverMedal Michio Morikawa (62 out of 63 patents)

bronzeMedal Yasunori Tashiro (35 out of 35 patents)

4.  Sadao Ueno (18 out of 18 patents)

5.  Koichi Hirabayashi (13 out of 13 patents)

6.  Kazuyoshi Onoguchi (9 out of 9 patents)

7.  Hiroyuki Okaizumi (7 out of 7 patents)

8.  Hitoshi Kuwabara (6 out of 6 patents)

9.  Shigeo Uesawa (6 out of 6 patents)

10.  Eiji Kuribayashi (6 out of 6 patents)

11.  Mikio Kobayashi (5 out of 20 patents)

12.  Katsumichi Higuchi (5 out of 5 patents)

13.  Akira Todate (5 out of 5 patents)

14.  Minoru Kageyama (5 out of 5 patents)

15.  Shigeru Hashimoto (5 out of 32 patents)


Core Competencies:
Food Dough Forming
Dough Cutting
Dough Shaping
Food Product Manufacturing
Dough Aligning
Roll-Forming
Croissant Dough
Encrusting
Dough Extrusion
Food Product Cutting
Dough Spreading

188 patents:

1. 12589413 - Cleaning device for extension roller (2026-03-31),
2. 12419314 - Device, system and method for forming a folded food product (2025-09-23),
3. 12302937 - Solid objects feeder and apparatus for manufacturing food product with solid objects feeder (2025-05-20),
4. 12133532 - Food dough forming device (2024-11-05),
5. 12110190 - Method for arranging and delivering conveyed objects (2024-10-08),
6. 11819030 - Roll-forming device for food dough piece and roll-forming method therefor (2023-11-21),
7. 11116226 - Shutter piece (2021-09-14),
8. 10939687 - Method for forming pieces of food dough and an apparatus thereof (2021-03-09),
9. 10849327 - Apparatus for aligning and positioning pieces of food dough (2020-12-01),
10. D893240 - Dough forming machine (2020-08-18),
11. 10383341 - Food dough spreading device and food dough spreading method (2019-08-20),
12. 10182576 - Shutter piece and food shaping device (2019-01-22),
13. 10117437 - Food dough rounding device and rounding method (2018-11-06),
14. 9854814 - Food dough rounding device and food dough rounding method (2018-01-02),
15. 9801390 - Device and a method for circularizing croissant dough, a device and a device and a method for forming croissant dough in a U-shape, and a system for producing croissants (2017-10-31),
Company Overview
Rheon Automatic Machinery Co., Ltd., based in Tokyo, specializes in advanced food dough processing technologies. The company focuses on the development and manufacturing of machinery for food product manufacturing, particularly in the areas of dough forming, cutting, and shaping. Their innovative solutions cater to various applications, including croissant dough and encrusting processes, enhancing efficiency and precision in food production. Rheon is recognized for its commitment to quality and technological advancement in the food industry.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 27 2026

Rheon Automatic Machinery Co., Ltd. USPTO Patent Assignee Logo
188 Patents

#373 in Tokyo

#741 in Japan

#4,480 in the World

Tokyo, JP
Tokyo, Japan

Rheon Automatic Machinery Co., Ltd.

Forward Citations = 1,493

93 inventors:

goldMedal Torahiko Hayashi (72 out of 72 patents)

silverMedal Michio Morikawa (62 out of 63 patents)

bronzeMedal Yasunori Tashiro (35 out of 35 patents)

4.  Sadao Ueno (18 out of 18 patents)

5.  Koichi Hirabayashi (13 out of 13 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Rheon Automatic Machinery Co., Ltd.. Retrieved from https://idiyas.com/company/rheon-automatic-machinery-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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