This inventor holds 6 USPTO granted patents and 1 published patent application and 2 EPO patents. Top assignees: Japan Nuclear Cycle Development Institute, Mitsubishi Heavy Industries Limited, Japan Atomic Energy Agency. Active years: 2011-2025.
Location History:
- Nagasaki-ken, JP (2011)
- Nagasaki, JP (2011 - 2012)
- Tokyo, JP (2012 - 2020)
Company Filing History:
3 out of 55 
3 out of 4,736 
1 out of 92 
Years Active: 2011-2025
Title: Nobuki Oka: Innovator in Air Purge and Denitration Technologies
Introduction
Nobuki Oka is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the fields of air purification and denitration technologies. With a total of 6 patents to his name, Oka's work has had a notable impact on environmental engineering.
Latest Patents
Oka's latest patents include an innovative air purge device. This device features an air purge pipe connected to a condenser, designed to extract a mixed gas containing refrigerant gas and air. It incorporates a separation film that separates air from the mixed gas through a pressure difference. Additionally, the device includes an exhaust pipe to guide the separated air externally, a first valve, and a vacuum pump to discharge gas from the exhaust pipe. The control unit activates the vacuum pump and manages the opening and closing of the first valve to regulate air permeation.
Another significant patent is for a denitration catalyst and device aimed at removing nitrogen oxide from exhaust gases. The catalyst is represented by the chemical formula BaYAO, where A is an element selected from a specific group, and X ranges from 0.4 to 2. The denitration device utilizes this catalyst to treat exhaust gases from various sources, including gas engines and boilers.
Career Highlights
Throughout his career, Nobuki Oka has worked with esteemed organizations such as the Japan Nuclear Cycle Development Institute and Mitsubishi Heavy Industries Limited. His experience in these institutions has allowed him to develop and refine his innovative technologies.
Collaborations
Oka has collaborated with notable colleagues, including Kuniaki Ara and Mikio Toda. Their combined expertise has contributed to the advancement of the technologies they have worked on together.
Conclusion
Nobuki Oka's contributions to air purification and denitration technologies highlight his role as a key innovator in environmental engineering. His patents reflect a commitment to improving air quality and reducing harmful emissions.