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For the Inventor, By the Inventor

Tokyo, Japan

Japan Pionics., Ltd.

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USPTO Granted Patents = 7

Trademarks = 1

Forward Citations = 61

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12 inventors (with patents filed for the assignee):

goldMedal Takashi Shimada (5 out of 24 patents)

silverMedal Koichi Kitahara (5 out of 11 patents)

bronzeMedal Noboru Akita (3 out of 8 patents)

4.  Kohhei Sasaki (2 out of 2 patents)

5.  Tadashi Hiramoto (2 out of 2 patents)

6.  Kenji Otsuka (1 out of 25 patents)

7.  Satoshi Arakawa (1 out of 120 patents)

8.  Ryuji Hasemi (1 out of 2 patents)

9.  Yutaka Amijima (1 out of 2 patents)

10.  Norihiro Suzuki (1 out of 1 patent)

11.  Keiichi Iwata (1 out of 10 patents)

12.  Shunji Tanaka (1 out of 1 patent)


7 patents:

1. 6325841 - Purifying agent and purification method for halogen-containing exhaust gas (2001-12-04),
2. 4996030 - Method for cleaning exhaust gases (1991-02-26),
3. 4976942 - Method for purifying gaseous hydrides (1990-12-11),
4. 4910001 - Method for cleaning gas containing toxic component (1990-03-20),
5. 4817597 - Self-contained closed-circuit oxygen-generating breathing apparatus (1989-04-04),
6. 4743435 - Method for cleaning exhaust gases (1988-05-10),
7. 4731333 - Method for detecting gaseous hydrides (1988-03-15),
Company Overview
Japan Pionics., Ltd. is a leading technology company specializing in innovative solutions for the semiconductor industry. With a focus on research and development, we create cutting-edge products and services to enhance the performance and efficiency of our clients' manufacturing processes. Our team of experts is dedicated to delivering high-quality, reliable solutions that meet the evolving needs of the industry. Visit our website to learn more about our products and services.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Nov 3 2026

7 Patents

#2,289 in Tokyo

#5,464 in Japan

Tokyo, JP
Tokyo, Japan

Japan Pionics., Ltd.

Forward Citations = 61

12 inventors:

goldMedal Takashi Shimada (5 out of 24 patents)

silverMedal Koichi Kitahara (5 out of 11 patents)

bronzeMedal Noboru Akita (3 out of 8 patents)

4.  Kohhei Sasaki (2 out of 2 patents)

5.  Tadashi Hiramoto (2 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Japan Pionics., Ltd.. Retrieved from https://idiyas.com/company/japan-pionics

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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