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For the Inventor, By the Inventor

Tokyo, Japan

Totai Co., Ltd.

Calculating rank
USPTO Granted Patents = 7

% Expired Patents = 14.3


Forward Citations = 29

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9 inventors (with patents filed for the assignee):

goldMedal Ken Kokubo (4 out of 5 patents)

silverMedal Takeshi Noguchi (4 out of 4 patents)

bronzeMedal Akio Harada (2 out of 3 patents)

4.  Juichi Kasai (1 out of 18 patents)

5.  Isao Toshima (1 out of 4 patents)

6.  Misao Kishi (1 out of 1 patent)

7.  Shinji Murata (1 out of 1 patent)

8.  Mano Tetsuro (1 out of 1 patent)

9.  Tetsuro Mano (1 out of 1 patent)

10.  Takashi Oku (0 patent)

11.  Hideki Kajita (0 patent)

12.  Masatoshi Yoshikawa (0 patent)


7 patents:

1. 9884955 - Hydroxylated-fullerene-containing solution, resin molding and resin composition each using the same, and method for producing each of the resin molding and the resin composition (2018-02-06),
2. 9334214 - Long-chain alkyl-etherified fullerene derivative, production method for the same, and resin composition using the same (2016-05-10),
3. 8987526 - Partially halogenated, hydroxylated fullerene and allergen adsorbent using the same (2015-03-24),
4. 8957261 - Method for producing partially halogenated, hydroxylated fullerene (2015-02-17),
5. 5928553 - Sealed bag for microwave heating (1999-07-27),
6. 4373231 - Apparatus for cutting connecting portions of a sausage chain (1983-02-15),
7. 4104763 - Apparatus for cutting a string of sausage links (1978-08-08),
Company Overview
Totai Co., Ltd. is a leading manufacturer and supplier of high-quality gas appliances and accessories in South Africa. With over 60 years of experience in the industry, Totai offers a wide range of products including gas stoves, heaters, braais, and camping equipment. The company is committed to providing reliable and innovative solutions for both domestic and commercial use.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 20 2026

7 Patents

#2,288 in Tokyo

#5,459 in Japan

Tokyo, JP
Tokyo, Japan

Totai Co., Ltd.

Forward Citations = 29

9 inventors:

goldMedal Ken Kokubo (4 out of 5 patents)

silverMedal Takeshi Noguchi (4 out of 4 patents)

bronzeMedal Akio Harada (2 out of 3 patents)

4.  Juichi Kasai (1 out of 18 patents)

5.  Isao Toshima (1 out of 4 patents)

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