Company Filing History:

13 out of 1,138

Kabushiki Kaisha Toyota Chuo Kenkyusho

patents

1 out of 131

Toyota Motor Corporation

patents

1 out of 78

Trinity Industrial Corporation

patents

where one patent can have more than one assignee

Years Active: 1978-1991

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13 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5041270 - Method of purifying exhaust gases (1991-08-20),

2. 4957710 - Catalytic combustion type exhaust gas processing device and drying (1990-09-18),

3. 4801620 - Catalyst for hydrocarbon synthesis (1989-01-31),

4. 4661329 - Catalyst for oxidizing an offensively smelling substance and a method of (1987-04-28),

5. 4617794 - Exhaust gas purifying method and apparatus for internal combustion (1986-10-21),

6. 4367166 - Steam reforming catalyst and a method of preparing the same (1983-01-04),

7. 4367162 - Catalyst for purifying exhaust gases and a method for producing the (1983-01-04),

8. 4345555 - Self-heating ignition plug (1982-08-24),

9. 4316822 - Catalyst for purifying exhaust gases (1982-02-23),

10. 4299734 - Catalyst for purifying exhaust gases and method for producing same (1981-11-10),

11. 4239656 - Catalyst for purifying exhaust gases and carrier for the catalyst (1980-12-16),

12. 4109461 - Method for operating internal combustion engine (1978-08-29),

13. 4087259 - Process for partially oxidizing hydrocarbons (1978-05-02),

Title: Innovations of Yoshiyasu Fujitani

Introduction

Yoshiyasu Fujitani is a prominent inventor based in Nagoya, Japan. He has made significant contributions to the field of exhaust gas purification, holding a total of 13 patents. His work focuses on innovative methods to reduce harmful emissions from internal combustion engines.

Latest Patents

Fujitani's latest patents include a method of purifying exhaust gases. This method involves contacting exhaust gases with a catalyst containing copper in the presence of hydrocarbons within an oxidizing atmosphere, effectively reducing nitrogen oxides. Additionally, the exhaust gases are treated with an oxidizing catalyst. The catalyst is designed with copper loaded on a porous support made from materials such as alumina, silica, or zeolite. Another notable patent is for a catalytic combustion type exhaust gas processing device. This device deodorizes and purifies noxious components in exhaust gases through sequential oxidative decomposition using a catalyst layer composed of platinum and/or palladium, along with a copper-cerium catalyst.

Career Highlights

Fujitani has worked with notable companies, including Toyota Chuo Kenkyusho and Toyota Motor Corporation. His experience in these organizations has allowed him to develop and refine his innovative technologies in exhaust gas treatment.

Collaborations

Fujitani has collaborated with esteemed colleagues such as Hideaki Muraki and Shiroh Kondoh. Their joint efforts have contributed to advancements in the field of automotive emissions control.

Conclusion

Yoshiyasu Fujitani's work in exhaust gas purification showcases his dedication to innovation and environmental sustainability. His patents reflect a commitment to reducing harmful emissions and improving air quality.

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