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For the Inventor, By the Inventor

Tokyo, Japan

Taiyo Nippon Sanso Corporation

USPTO Granted Patents = 151

% Expired Patents = 39.7



Trademarks = 5

Forward Citations = 473

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222 inventors (with patents filed for the assignee):

goldMedal Yasuyuki Yamamoto (20 out of 21 patents)

silverMedal Yoshiyuki Hagihara (19 out of 19 patents)

bronzeMedal Masato Kawai (13 out of 27 patents)

4.  Katsunori Wada (11 out of 14 patents)

5.  Toru Sakai (8 out of 42 patents)

6.  Kimio Iino (8 out of 8 patents)

7.  Takashi Kambe (8 out of 8 patents)

8.  Takeshi Nagasaka (8 out of 14 patents)

9.  Yoshikazu Nakayama (8 out of 40 patents)

10.  Hitoshi Kihara (8 out of 13 patents)

11.  Hidetoshi Ohta (7 out of 7 patents)

12.  Shigeru Hayashida (7 out of 17 patents)

13.  Naoki Seino (6 out of 6 patents)

14.  Akihiro Nakamura (6 out of 69 patents)

15.  Morimitsu Nakamura (6 out of 11 patents)


Core Competencies:
Gas Separation
Air Separation
Nitrogen Production
Stable Isotope Concentration
Cryopreservation
Semiconductor Cleaning
Welding Technology
Composite Resin Production
Metal Particle Production
Oxygen Generation
Vapor-Phase Growth
Dry Ice Cleaning

151 patents:

1. 12679818 - Radioactive halogen labeling precursor compound (2026-07-14),
2. 12669283 - Multistage bath condenser-reboiler and cryogenic air separation unit using the same (2026-06-30),
3. 12661714 - Storage for powder material for metal 3D printer, and method for storing powder material for metal 3D printer (2026-06-23),
4. 12577601 - Protein production method and cell-free protein synthesis kit (2026-03-17),
5. 12565699 - Device for supplying a mixed gas, device for producing metal nitride film, and method for producing metal nitride film (2026-03-03),
6. 12546535 - Apparatus for producing inorganic spheroidized particles and method for producing inorganic spheroidized particles (2026-02-10),
7. 12532691 - Dry ice cleaning apparatus for semiconductor wafers and method for cleaning semiconductor wafers (2026-01-20),
8. 12427577 - Laminating-printing system and laminating-printing method (2025-09-30),
9. 12383864 - Stable isotope concentrating device (2025-08-12),
10. 12292233 - Freezing transport container, and cryogenic liquefied gas absorber case (2025-05-06),
11. 12253260 - High-temperature oxygen generation device and high-temperature oxygen generation method (2025-03-18),
12. 12241683 - Burner for producing inorganic spheroidized particles, apparatus for producing inorganic spheroidized particles, and method for producing inorganic spheroidized particles (2025-03-04),
13. 12151208 - Stable isotope concentration method (2024-11-26),
14. 12139788 - Cleaning apparatus for component for semiconductor production apparatus, cleaning method for component of semiconductor production apparatus, and cleaning system for component of semiconductor production apparatus (2024-11-12),
15. 12130081 - Multistage liquid storage-type condenser-evaporator and nitrogen production device using the same (2024-10-29),
Company Overview
Taiyo Nippon Sanso Corporation, headquartered in Tokyo, Japan, specializes in gas separation technology, focusing on the production and supply of industrial gases. The company is recognized for its advancements in air separation, nitrogen production, and stable isotope concentration. Additionally, it plays a significant role in cryopreservation, semiconductor cleaning, welding technology, and composite resin production. With a commitment to innovation, Taiyo Nippon Sanso supports various industries by providing essential gas solutions and technologies.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 20 2026

151 Patents

#424 in Tokyo

#853 in Japan

#5,415 in the World

Tokyo, JP
Tokyo, Japan

Taiyo Nippon Sanso Corporation

Forward Citations = 473

222 inventors:

goldMedal Yasuyuki Yamamoto (20 out of 21 patents)

silverMedal Yoshiyuki Hagihara (19 out of 19 patents)

bronzeMedal Masato Kawai (13 out of 27 patents)

4.  Katsunori Wada (11 out of 14 patents)

5.  Toru Sakai (8 out of 42 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Taiyo Nippon Sanso Corporation. Retrieved from https://idiyas.com/company/taiyo-nippon-sanso

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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