Takashi Onozuka

Title: Takashi Onozuka: Innovator in Exhaust Gas Purification Technologies

Introduction

Takashi Onozuka is a prominent inventor based in Kakegawa, Japan. He has made significant contributions to the field of exhaust gas purification, holding a total of 7 patents. His work focuses on developing catalysts that enhance the efficiency of exhaust gas treatment systems.

Latest Patents

Onozuka's latest patents include innovative technologies aimed at improving the purification of exhaust gases. One notable patent describes a catalyst for purification that features a substrate with a catalyst coat layer. This layer contains catalyst particles and has an average thickness ranging from 25 to 150 μm. The void fraction of this layer, as determined by scanning electron microscope observation, ranges from 1.5 to 8.0% by volume. Additionally, 60 to 90% of all voids in the catalyst coat layer are high-aspect ratio pores, which have equivalent circle diameters ranging from 2 to 50 μm. The high-aspect ratio pores exhibit an average aspect ratio ranging from 10 to 50, and a noble metal is supported on the entire catalyst coat layer.

Another significant patent focuses on an exhaust gas purification catalyst that boasts improved Rh activation. This catalyst comprises a substrate and a two-layer catalyst coat structure. The upstream portion contains Rh fine particles and Pt, while the downstream portion contains Rh. The Rh fine particles have an average particle size of 1.0 nm to 2.0 nm, with a standard deviation of 0.8 nm or less.

Career Highlights

Throughout his career, Takashi Onozuka has worked with notable companies such as Cataler Corporation and Toyota Motor Corporation. His experience in these organizations has allowed him to refine his expertise in catalyst technology and exhaust gas purification.

Collaborations

Onozuka has collaborated with esteemed colleagues, including Masahide Miura and Mitsuyoshi Okada. Their combined efforts have contributed to advancements in the field of exhaust gas purification.

Conclusion

Takashi Onozuka's innovative work in exhaust gas purification technologies has led to significant advancements in the industry. His patents reflect a commitment to improving environmental standards through effective catalyst solutions.