Takasaki, Japan

Okihiro Tokunaga

This inventor holds 3 USPTO granted patents. Top assignees: Ebara Corporation, Japan Atomic Energy Institute, Nkk Corporation. Active years: 1992-1998.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Okihiro Tokunaga. Retrieved from https://idiyas.com/inventor/okihiro-tokunaga

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


% Patents Active = 100.0

Average Co-Inventor Count = 7.8

ph-index = 2

Forward Citations = 15(Granted Patents)


Location History:

  • Takasaki, JP (1992 - 1993)
  • Gunma-ken, JP (1998)

Company Filing History:


Years Active: 1992-1998

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3 patents (USPTO):Explore Patents

Title: Okihiro Tokunaga: Innovator in Waste Gas Treatment

Introduction

Okihiro Tokunaga is a notable inventor based in Takasaki, Japan. He has made significant contributions to the field of waste gas treatment, holding a total of 3 patents. His innovative methods focus on improving the efficiency of waste gas treatment processes.

Latest Patents

One of Tokunaga's latest patents is a method and apparatus for treating waste gases by exposure to electron beams. This improved method involves adding ammonia to waste gases containing sulfur oxides (SO.sub.x) and/or nitrogen oxides (NO.sub.x). The process is characterized by first mixing ammonia gas uniformly with air, forming a homogeneous gas-liquid mixture with water, and then spraying this mixture into a reactor. This technique allows for efficient desulfurization, even at high temperatures, while reducing the concentration of ammonium sulfamate in the by-product ammonium sulfate. Another significant patent is a process and apparatus for waste gas treatment by multi-stage electron beams.

Career Highlights

Throughout his career, Tokunaga has worked with prominent organizations such as Ebara Corporation and the Japan Atomic Energy Research Institute. His work has been instrumental in advancing technologies related to environmental protection and waste management.

Collaborations

Tokunaga has collaborated with notable colleagues, including Hideki Namba and Masahiro Izutsu. Their combined expertise has contributed to the development of innovative solutions in waste gas treatment.

Conclusion

Okihiro Tokunaga's contributions to waste gas treatment through his patented methods demonstrate his commitment to innovation and environmental sustainability. His work continues to influence the field and pave the way for future advancements.

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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