Location History:
- Nagoya, JA (1976 - 1977)
- Aichi, JP (1987 - 1994)
- Nagoya, JP (1983 - 1998)
Company Filing History:
19 out of 1,138 
2 out of 3,252 
1 out of 36,499 
Years Active: 1976-1998
Title: Haruo Doi: Innovator in Composite Oxide Powders and Exhaust Gas Catalysts
Introduction: Haruo Doi, located in Nagoya, Japan, is a notable inventor with an impressive portfolio of 19 patents. His work primarily focuses on advancing materials and processes that have significant implications for technology and environmental efficiency.
Latest Patents: Among his recent patents are innovative processes and materials pivotal for various applications. One such patent is for a **Process for Producing Composite Oxide Powder Containing Cerium**, which outlines a method for creating a micro-fine, homogeneous, and heat-resistant composite oxide powder by dissolving nitrates, sulfates, and acetates of constituent elements in water, followed by spraying and heating the solution. Another important patent is for a **Catalyst for Purifying Exhaust Gases**, which consists of a potassium titanate carrier loaded with noble metals, capable of efficiently oxidizing hydrocarbons at low temperatures while minimizing the formation of sulfates from SO2.
Career Highlights: Haruo Doi has made significant contributions during his tenure at prestigious companies, such as Toyota Central R&D Labs, where he has applied his research and development skills to enhance automotive technologies. He has also worked at Nippondenso Co., Ltd., now known as DENSO Corporation, a global automotive components manufacturer, further expanding his expertise in the field.
Collaborations: Throughout his career, Doi has collaborated with esteemed colleagues, including Osami Kamigaito and Shoji Noda. These partnerships have enriched the research and innovation processes he has been part of, leading to groundbreaking advancements in materials science and catalysis.
Conclusion: Haruo Doi's contributions to innovations in composite oxide powders and catalysts exemplify the impact that dedicated inventors can have on technology and environmental protection. His extensive patent portfolio and collaborations signify a commitment to advancing knowledge and applications that benefit various industries.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.