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For the Inventor, By the Inventor

Suitashi, Japan

Neomax Materials Co., Ltd.


USPTO Granted Patents = 26

% Expired Patents = 42.3



Forward Citations = 57

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30 inventors (with patents filed for the assignee):

goldMedal Masaaki Ishio (15 out of 32 patents)

silverMedal Yoshimitsu Oda (7 out of 26 patents)

bronzeMedal Masaharu Yamamoto (6 out of 14 patents)

4.  Fumiaki Kikui (6 out of 37 patents)

5.  Kazuhiro Shiomi (5 out of 6 patents)

6.  Tsuyoshi Hasegawa (4 out of 6 patents)

7.  Masayuki Yokota (3 out of 8 patents)

8.  Ken Asada (3 out of 8 patents)

9.  Toshiaki Fujita (2 out of 4 patents)

10.  Shinji Yamamoto (1 out of 97 patents)

11.  Keita Watanabe (1 out of 6 patents)

12.  Toshihiro Hayami (1 out of 18 patents)

13.  Minoru Iizuka (1 out of 13 patents)

14.  Naoyuki Umehara (1 out of 6 patents)

15.  Yoshitsugu Sakamoto (1 out of 17 patents)


Core Competencies:
Chassis
Battery Terminals
Aluminum Clad Material
Fuel Cell Separator
Hermetic Sealing Cap
Brazing Filler Metal
Electroless Plating
Heat Sink Member
Maraging Steel
Solar Cell Wire
Electronic Component Package
Plasma Processing

26 patents:

1. 9421741 - Chassis and method for manufacturing chassis (2016-08-23),
2. 9350007 - Connection plate for battery terminals and method for manufacturing connection plate for battery terminals (2016-05-24),
3. 9266188 - Aluminum copper clad material (2016-02-23),
4. 9017871 - Negative-electrode terminal for cell (2015-04-28),
5. 8883318 - Aluminum bonding alloy, and clad material and aluminum bonding composite material each having bonding alloy layer made of the alloy (2014-11-11),
6. 8802242 - Clad plate (2014-08-12),
7. 8785029 - Connection plate for battery terminals and method for manufacturing connection plate for battery terminals (2014-07-22),
8. 8551623 - Airtightly sealing cap, electronic component storing package and method for manufacturing electronic component storing package (2013-10-08),
9. 8431820 - Hermetic sealing cap (2013-04-30),
10. 8338058 - Separator for fuel cell having intermediate layer and method for manufacturing same (2012-12-25),
11. 8334078 - Fuel cell separator and method for producing the same (2012-12-18),
12. 8101867 - Electroless Ni-P plating method and substrate for electronic component (2012-01-24),
13. 8088536 - Fuel cell separator and method for manufacturing the same (2012-01-03),
14. 8039107 - Silver-coated ball and method for manufacturing same (2011-10-18),
15. 8029918 - Brazing method and brazed structure (2011-10-04),
Company Overview
Neomax Materials Co., Ltd. is a Japanese company specializing in the development and manufacturing of advanced materials, particularly in the fields of electronics and energy. The company focuses on innovative solutions that enhance performance and efficiency in various applications, including semiconductors and display technologies. With a commitment to research and development, Neomax plays a significant role in advancing material science, contributing to industries that demand high-quality and reliable materials for their products.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 20 2026

26 Patents

#1 in Suitashi

#2,508 in Japan

#24,826 in the World

Suitashi, JP
Suitashi, Japan

Neomax Materials Co., Ltd.

Forward Citations = 57

30 inventors:

goldMedal Masaaki Ishio (15 out of 32 patents)

silverMedal Yoshimitsu Oda (7 out of 26 patents)

bronzeMedal Masaharu Yamamoto (6 out of 14 patents)

4.  Fumiaki Kikui (6 out of 37 patents)

5.  Kazuhiro Shiomi (5 out of 6 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Neomax Materials Co., Ltd.. Retrieved from https://idiyas.com/company/neomax-materials-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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