This inventor holds 4 USPTO granted patents and 1 published patent application and 13 EPO patents. Top assignees: Mitsubishi Heavy Industries Limited, Chiyoda Corporation, Mitsubishi Shipbuilding Co., Ltd.. Active years: 2005-2019.
Location History:
- Nagasaki, JP (2005 - 2014)
- Tokyo, JP (2015 - 2019)
Company Filing History:
3 out of 4,736 
1 out of 174 
1 out of 12 
Years Active: 2005-2019
Title: Innovator Masaru Oka: A Pioneer in Fuel Gas Technologies
Introduction
Masaru Oka, an accomplished inventor based in Tokyo, Japan, has made significant contributions to the field of fuel gas technologies. He holds a total of four patents, showcasing his innovative solutions in the sector, particularly in gas-fired engines and fuel supply apparatus.
Latest Patents
Two of Masaru Oka's latest patents demonstrate his expertise and ingenuity. The first patent focuses on a sophisticated ship fuel gas supply apparatus and method. This invention features a main pipe designed to guide compressed natural gas (CNG) at increased pressure to an engine. It incorporates a pressure sensor to monitor CNG pressure, a pressure adjustment valve to regulate pressure based on engine load, and a differential pressure sensor. Additionally, a buffer tank is included to manage variations in pressure within the main pipe. This innovative system allows for precise control of discharge pressure from the LNG pump, enhancing operational efficiency.
The second patent relates to a gas-fired engine that utilizes high-pressure liquefied gas, such as LNG, as fuel. This design includes a reciprocating pump driven by a hydraulic motor, allowing for the escalation of liquefied gas pressure before discharge. Essential components of this invention include a hydraulic oil introduction and return line, a heating unit for gasifying the liquefied gas, and a control section to maintain consistent gas fuel outlet pressure. These features position Oka’s gas-fired engine as a forward-thinking solution in the energy sector.
Career Highlights
Throughout his career, Masaru Oka has collaborated with leading companies such as Mitsubishi Heavy Industries Limited and Osaka Gas Company Limited. His work has not only contributed to advancements in gas technology but has also positioned him as a significant figure in the industry.
Collaborations
Masaru Oka has worked alongside talented individuals like Toshikazu Irie and Norio Hatanaka. His collaborations with these professionals have led to innovative developments and refined approaches in fuel gas technology, allowing for groundbreaking improvements in efficiency and performance.
Conclusion
Masaru Oka stands out as a prominent inventor in the field of fuel gas technologies. With his four patents, he continues to push the boundaries of innovation, enhancing the capabilities of gas-fired engines and supply systems. His contributions reflect a commitment to advancing energy solutions and exemplify the impact of engineering ingenuity.