Company Filing History:

8 out of 42,508

Hitachi, Ltd.

patents

1 out of 21,927

Honda Motor Co., Ltd.

patents

where one patent can have more than one assignee

Years Active: 1994-2006

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8 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 7093432 - Exhaust gas purification apparatus of internal combustion engine and catalyst for purifying exhaust gas of internal combustion engine (2006-08-22),

2. 6596247 - Method for purifying exhaust gas from internal combustion engines (2003-07-22),

3. 6397582 - Exhaust gas purification apparatus of internal combustion engine and catalyst for purifying exhaust gas of internal combustion engine (2002-06-04),

4. 6161378 - Exhaust gas purification apparatus of internal combustion engine and (2000-12-19),

5. 6045764 - Exhaust gas purifying method and catalyst used therefor (2000-04-04),

6. 5972828 - Method of manufacturing catalyst for cleaning exhaust gas released from (1999-10-26),

7. 5968870 - Catalyst for purifying exhaust gas from internal combustion engine and (1999-10-19),

8. 5305230 - Process control system and power plant process control system (1994-04-19),

Title: Hiroshi Hanaoka: Innovator in Exhaust Gas Purification Technology

Introduction

Hiroshi Hanaoka is a prominent inventor based in Kodaira, Japan. He has made significant contributions to the field of exhaust gas purification for internal combustion engines. With a total of 8 patents to his name, Hanaoka's work focuses on innovative solutions to reduce harmful emissions.

Latest Patents

Hanaoka's latest patents include an exhaust gas purification apparatus and a catalyst designed for internal combustion engines. The exhaust gas purification apparatus features an exhaust gas duct that connects to the engine, allowing exhaust gases containing NOx to pass through. The catalyst is strategically placed within the duct to chemically adsorb NOx when the gaseous oxidizing agent is present in a greater amount than the reducing agent. This process effectively reduces NOx emissions, making the exhaust gas harmless. Additionally, his method for purifying exhaust gas involves a catalyst made of a porous supporter that supports alkali metals, titanium, and noble metals. This catalyst demonstrates excellent resistance to NOx and is effective under various combustion conditions.

Career Highlights

Hanaoka has worked with notable companies such as Hitachi, Ltd. and Honda Motor Co., Ltd. His experience in these organizations has allowed him to develop and refine his innovative technologies in exhaust gas purification.

Collaborations

Hanaoka has collaborated with esteemed colleagues, including Hidehiro Iizuka and Osamu Kuroda. Their combined expertise has contributed to advancements in the field of emissions control.

Conclusion

Hiroshi Hanaoka's contributions to exhaust gas purification technology highlight his commitment to reducing environmental impact through innovation. His patents and collaborations reflect a dedication to advancing cleaner technologies for internal combustion engines.

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