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For the Inventor, By the Inventor

Osaka, Japan

Nissei Company, Ltd.

Calculating rank
USPTO Granted Patents = 10

% Expired Patents = 60.0


Trademarks = 2

Forward Citations = 47

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26 inventors (with patents filed for the assignee):

goldMedal Toshinaka Shinbutsu (6 out of 12 patents)

silverMedal Shuichi Amano (6 out of 11 patents)

bronzeMedal Akihiro Shishikura (2 out of 15 patents)

4.  Akio Ozasa (2 out of 2 patents)

5.  Akihisa Hashimoto (2 out of 2 patents)

6.  Shinji Tanaka (2 out of 2 patents)

7.  Minoru Yoshizawa (2 out of 2 patents)

8.  Hiroshi Yoshikawa (1 out of 72 patents)

9.  Shinya Hasegawa (1 out of 1 patent)

10.  Hiroshi Sasaki (1 out of 1 patent)

11.  Shoichi Usunami (1 out of 1 patent)

12.  Hiroyuki Yano (1 out of 20 patents)

13.  Kentaro Abe (1 out of 2 patents)

14.  Takeshi Nakatani (1 out of 1 patent)

15.  Yasuo Kase (1 out of 1 patent)


10 patents:

1. 9610629 - Rolling machine and method of rolling gear using the rolling machine (2017-04-04),
2. 9271514 - Frozen dessert and frozen dessert material (2016-03-01),
3. 9200231 - Lubricating oil composition for rolling with round die (2015-12-01),
4. 9022137 - Fastening tool (2015-05-05),
5. 8835365 - Lubricating oil composition for rolling with round die (2014-09-16),
6. 8187514 - Biodegradable molded article (2012-05-29),
7. 8043539 - Process for producing biodegradable molded item and molding dies therefor (2011-10-25),
8. 6915673 - Method of rolling worm gear and the worm gear (2005-07-12),
9. 6418767 - Round die type form rolling apparatus (2002-07-16),
10. 5232027 - Apparatus for serving soft ice cream or the like (1993-08-03),
Company Overview
Nissei Company, Ltd., based in Osaka, Japan, specializes in the development and manufacturing of precision machinery and equipment. The company is recognized for its expertise in producing high-quality injection molding machines, which are essential in various industries including automotive, consumer goods, and electronics. Nissei is committed to advancing technology in the field of manufacturing, focusing on innovation and efficiency to meet the evolving needs of its global clientele.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Nov 3 2026

10 Patents

#475 in Osaka

#4,404 in Japan

#56,100 in the World

Osaka, JP
Osaka, Japan

Nissei Company, Ltd.

Forward Citations = 47

26 inventors:

goldMedal Toshinaka Shinbutsu (6 out of 12 patents)

silverMedal Shuichi Amano (6 out of 11 patents)

bronzeMedal Akihiro Shishikura (2 out of 15 patents)

4.  Akio Ozasa (2 out of 2 patents)

5.  Akihisa Hashimoto (2 out of 2 patents)

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