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For the Inventor, By the Inventor

Tokyo, Japan

Satake Corporation


USPTO Granted Patents = 178

% Expired Patents = 12.4



Trademarks = 13

Forward Citations = 1,244

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188 inventors (with patents filed for the assignee):

goldMedal Satoru Satake (59 out of 69 patents)

silverMedal Takafumi Ito (28 out of 75 patents)

bronzeMedal Sze Keat Chee (15 out of 19 patents)

4.  Yukio Hosaka (12 out of 42 patents)

5.  Takeshi Fukumori (11 out of 11 patents)

6.  Toshiro Higuchi (11 out of 53 patents)

7.  Tomoyuki Miyamoto (10 out of 11 patents)

8.  Hiroki Ishizuki (10 out of 10 patents)

9.  Kazuto Nonaka (10 out of 10 patents)

10.  Hideaki Matsushima (9 out of 10 patents)

11.  Tadashi Matsushita (9 out of 15 patents)

12.  Shigeharu Kanemoto (9 out of 9 patents)

13.  Keishi Wakabayashi (8 out of 8 patents)

14.  Nobuhiro Matsumoto (8 out of 9 patents)

15.  Yoshihiro Tokui (8 out of 8 patents)


Core Competencies:
Optical Sorter
Grain Discrimination
X-Ray Sorting
Piezoelectric Valve
Sorting Apparatus
Grain Milling
Microorganism Sampling
Grain Quality Measurement
Instant Rice Production
Color Sorting Machine
Grain Drying
Paddy Husker

178 patents:

1. 12590899 - Measuring device and selection device (2026-03-31),
2. 12580499 - Displacement magnifying mechanism, actuator, polishing device, electronic component processing apparatus, dispenser, and air valve (2026-03-17),
3. D1101151 - X-ray sorting machine (2025-11-04),
4. 12365008 - Optical grain discriminating apparatus (2025-07-22),
5. 12350715 - Optical sorter, sorting simulation apparatus, and simulation method regarding sorting of sorting target using optical sorter (2025-07-08),
6. 12222295 - Optical sorter (2025-02-11),
7. 12222292 - Optical sorter (2025-02-11),
8. 12169030 - Piezoelectric valve (2024-12-17),
9. 12157147 - Sorting apparatus (2024-12-03),
10. 12128416 - Operation aid apparatus for grain milling facility and grain milling facility (2024-10-29),
11. 12090486 - Paddy discriminator (2024-09-17),
12. 12042799 - Monitoring system for milling facility (2024-07-23),
13. 12023715 - Optical sorter (2024-07-02),
14. 12011742 - Optical sorter (2024-06-18),
15. 12004430 - Piezoelectric valve and method of manufacturing the piezoelectric valve (2024-06-04),
Satake Corporation, headquartered in Tokyo, specializes in advanced optical sorting technologies that enhance the quality and efficiency of food processing. The company develops innovative solutions such as optical sorters and X-ray sorting systems, which are pivotal in grain discrimination and quality measurement. With a strong focus on grain milling and microorganism sampling, Satake plays a crucial role in ensuring food safety and optimizing agricultural processes, contributing significantly to the global food industry.
Profile summary based on public USPTO records.

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USPTO Data Jan 1 1976 - Oct 6 2026

Satake Corporation
178 Patents

#388 in Tokyo

#765 in Japan

#4,675 in the World

Tokyo, JP
Tokyo, Japan

Satake Corporation

Forward Citations = 1,244

188 inventors:

goldMedal Satoru Satake (59 out of 69 patents)

silverMedal Takafumi Ito (28 out of 75 patents)

bronzeMedal Sze Keat Chee (15 out of 19 patents)

4.  Yukio Hosaka (12 out of 42 patents)

5.  Takeshi Fukumori (11 out of 11 patents)

Please report any incorrect information to [email protected]
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