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For the Inventor, By the Inventor

Yamaguchi, Japan

Naruyuki Iwanaga

This inventor holds 6 USPTO granted patents, plus 2 CIPO patents. Top assignees: Mitsui Toatsu Chemicals, Incorporated, Other. Active years: 1990-1992.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Naruyuki Iwanaga. Retrieved from https://idiyas.com/inventor/naruyuki-iwanaga

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 6

% Patents Active = 100.0


Average Co-Inventor Count = 3.6

ph-index = 5

Forward Citations = 129(Granted Patents)


Location History:

  • Shimonoseki, JP (1990)
  • Yamaguchi, JP (1990 - 1992)

Company Filing History:

goldMedal6 out of 1,379 
 
Mitsui Toatsu Chemicals, Incorporated
 patents
silverMedal1 out of 834,513 
Other
 patents
where one patent can have more than one assignee

Years Active: 1990-1992

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6 patents (USPTO):Explore Patents
1. 5085752 - Electrolytic cell (1992-02-04),
2. 5084156 - Electrolytic cell (1992-01-28),
3. 4980144 - Process for purifying nitrogen trifluoride gas (1990-12-25),
4. 4975259 - Method of liquefying and condensing nitrogen trifluoride and a method of (1990-12-04),
5. 4960581 - Method for preparing gaseous metallic fluoride (1990-10-02),
6. 4933158 - Method for purifying nitrogen trifluoride gas (1990-06-12),

Title: Naruyuki Iwanaga: Innovator in Electrolytic Cell Technology

Introduction

Naruyuki Iwanaga is a prominent inventor based in Yamaguchi, Japan. He has made significant contributions to the field of electrolysis, particularly in the production of nitrogen trifluoride gas. With a total of 6 patents to his name, Iwanaga's work has had a notable impact on industrial applications.

Latest Patents

Iwanaga's latest patents include an innovative electrolytic cell designed for the production of nitrogen trifluoride gas through molten salt electrolysis. This electrolytic cell features a unique arrangement of electrodes, partition plates, bottom surfaces, liquid surfaces of the electrolytic bath, and lids, with specific distance relationships among these components. This design enhances the efficiency and effectiveness of the electrolysis process.

Career Highlights

Throughout his career, Naruyuki Iwanaga has worked with Mitsui Toatsu Chemicals, Incorporated, where he has applied his expertise in electrolysis technology. His contributions have been instrumental in advancing the capabilities of the company in this specialized field.

Collaborations

Iwanaga has collaborated with notable colleagues, including Isao Harada and Toshihiko Nishitsuji. These partnerships have fostered innovation and development in their shared areas of expertise.

Conclusion

Naruyuki Iwanaga's work in electrolytic cell technology exemplifies the spirit of innovation in the field of electrolysis. His patents and collaborations continue to influence advancements in industrial applications.

Profile summary based on public USPTO records.
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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