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For the Inventor, By the Inventor

Hyogo, Japan

Tocalo Co., Ltd.


USPTO Granted Patents = 56

% Expired Patents = 12.5


Trademarks = 2

Forward Citations = 378

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103 inventors (with patents filed for the assignee):

goldMedal Yoshio Harada (30 out of 32 patents)

silverMedal Junichi Takeuchi (10 out of 11 patents)

bronzeMedal Tatsuo Suidzu (9 out of 11 patents)

4.  Takema Teratani (6 out of 6 patents)

5.  Kensuke Taguchi (5 out of 5 patents)

6.  Kenichiro Togoe (5 out of 5 patents)

7.  Kazumi Tani (5 out of 5 patents)

8.  Takeshi Takabatake (4 out of 4 patents)

9.  Shikou Abukawa (3 out of 3 patents)

10.  Yu Asakimori (3 out of 3 patents)

11.  Hiroki Yokota (3 out of 3 patents)

12.  Shinya Miki (3 out of 3 patents)

13.  Nobuyuki Nagayama (3 out of 35 patents)

14.  Tatsuya Hamaguchi (3 out of 4 patents)

15.  Ryutaro Kawamura (3 out of 3 patents)


Core Competencies:
Thermal Spray Coating
Electrostatic Chuck
High-Temperature Resistance
Composite Coating
Silica-Based Coating
Surface Treatment
Plasma Processing
Metal Spray Coating
Heat-Resistant Alloy
Insulated Bearing
Hearth Roll
Powder Coating

56 patents:

1. 12434264 - Method for forming silica-based multilayer coating on substrate from polysilazane-containing compositions (2025-10-07),
2. 12377495 - Surface treatment method (2025-08-05),
3. 12371793 - Method for forming silica-based multilayer coating on substrate from polysilazane-containing compostions (2025-07-29),
4. 12354892 - Temperature control unit (2025-07-08),
5. 12046459 - Heater component (2024-07-23),
6. 11955360 - Electrostatic chuck and processing apparatus (2024-04-09),
7. 11631574 - Heater component (2023-04-18),
8. 11504738 - Coating and method for forming the same (2022-11-22),
9. 11272579 - Heat generating component (2022-03-08),
10. 11193195 - Component for hot-dip metal plating bath (2021-12-07),
11. 11174812 - Sliding member and production method therefor (2021-11-16),
12. 11131014 - Method for roughening surface of substrate, method for treating surface of substrate, method for producing thermal spray-coated member, and thermal spray-coated member (2021-09-28),
13. 10914342 - Sliding member and method for manufacturing the same (2021-02-09),
14. 10900111 - Method for producing surface-modified component (2021-01-26),
15. 10793818 - Culture container and cell culturing method and cell observation method using culture container (2020-10-06),
Company Overview
Tocalo Co., Ltd., based in Hyogo, Japan, specializes in advanced thermal spray coatings, focusing on enhancing surface properties for various applications. The company is recognized for its expertise in technologies such as electrostatic chucks, high-temperature resistance materials, and composite coatings. Tocalo's innovations in silica-based coatings and plasma processing contribute to improved durability and performance in industrial settings, making it a key player in the surface treatment sector.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 13 2026

56 Patents

#23 in Hyogo

#1,607 in Japan

#12,754 in the World

Hyogo, JP
Hyogo, Japan

Tocalo Co., Ltd.

Forward Citations = 378

103 inventors:

goldMedal Yoshio Harada (30 out of 32 patents)

silverMedal Junichi Takeuchi (10 out of 11 patents)

bronzeMedal Tatsuo Suidzu (9 out of 11 patents)

4.  Takema Teratani (6 out of 6 patents)

5.  Kensuke Taguchi (5 out of 5 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Tocalo Co., Ltd.. Retrieved from https://idiyas.com/company/tocalo-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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