Miho Hatanaka

This inventor holds 15 USPTO granted patents and 2 published patent applications, plus 1 CIPO patent and 6 EPO patents, primarily in Exhaust Gas Catalysts. Top assignees: Kabushiki Kaisha Toyota Chuo Kenkyusho, Toyota Jidosha Kabushiki Kaisha, Cataler Corporation. Active years: 2002-2024.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Miho Hatanaka. Retrieved from https://idiyas.com/inventor/miho-hatanaka

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Calculating rank

USPTO Granted Patents = 15 (Patent Applications = 2)

% Patents Active = 60.0

CIPO Patents = 1

EPO Patents = 6 (Patent Applications = 8)

Average Co-Inventor Count = 4.6

ph-index = 8

Forward Citations = 170(Granted Patents)

Location History:

Aichi, JP (2002 - 2005)
Aichi-gun, JP (2004 - 2012)
Aichi-ken, JP (2012)
Nagakute, JP (2013 - 2024)

Company Filing History:

11 out of 1,154

Kabushiki Kaisha Toyota Chuo Kenkyusho

patents

7 out of 39,010

Toyota Jidosha Kabushiki Kaisha

The University of Tokyo

patents

where one patent can have more than one assignee

Years Active: 2002-2024

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Areas of Expertise:

Exhaust Gas Purification

Catalyst

NOx Storage

Regeneration Method

Composite Oxide

Porous Material

Inorganic Mixed Oxide

Production Method

15 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 11969712 - Catalyst for purification of exhaust gas and production method thereof (2024-04-30),

2. 10329984 - Oxygen storage/release material (2019-06-25),

3. 9616386 - Catalyst for purification of exhaust gas, NOx storage-reduction catalyst, and method for purifying exhaust gas (2017-04-11),

4. 9539564 - Method for producing exhaust gas purification catalyst (2017-01-10),

5. 9254475 - Exhaust gas purification catalyst (2016-02-09),

6. 8580705 - Exhaust gas purifying catalyst (2013-11-12),

7. 8225601 - Exhaust gas purification system for internal combustion engine (2012-07-24),

8. 8105561 - Catalyst for purification of exhaust gas, regeneration method for the catalyst, and apparatus and method for purification of exhaust gas using the catalyst (2012-01-31),

9. 8043992 - Inorganic mixed oxide and catalyst for purification of exhaust gas using the same (2011-10-25),

10. 6933259 - Composite oxide powder, a method for producing the same and a catalyst using the same (2005-08-23),

11. 6926875 - Porous material process of producing the porous material, catalyst for purifying exhaust gas comprising the porous material, method of purifying exhaust gas (2005-08-09),

12. 6852665 - Composite oxide, process for producing the same, catalyst for purifying exhaust gas, and process for producing the same (2005-02-08),

13. 6762147 - Composite oxide powder, catalyst and process for producing the same (2004-07-13),

14. 6511642 - Porous material, catalyst, method of producing the porous material and method for purifying exhaust gas (2003-01-28),

15. 6391276 - Titania-zirconia powder and process for producing the same (2002-05-21),

Title: Miho Hatanaka: Innovator in Exhaust Gas Purification Technologies

Introduction

Miho Hatanaka is a prominent inventor based in Nagakute, Japan. She has made significant contributions to the field of exhaust gas purification, holding a total of 15 patents. Her innovative work focuses on developing catalysts and materials that enhance the efficiency of exhaust gas treatment.

Latest Patents

Among her latest patents is a catalyst for the purification of exhaust gas. This catalyst features Pd-based nanoparticles and ceria nanoparticles supported on a composite metal oxide support containing alumina, ceria, and zirconia. The molar ratio of Ce to Pd is maintained at 1 to 8, with a proximity α between Pd and Ce ranging from 0.15 to 0.50. Additionally, the catalyst demonstrates a Pd dispersity of 0.8% or more after a heat-resistance test at 1050° C. for 25 hours. Another notable patent is for an oxygen storage/release material, which includes a ceria-zirconia composite oxide porous body. This material has a central pore diameter of 70 nm to 1 μm and features a cumulative pore volume that meets specific criteria, enhancing its performance in gas purification applications.

Career Highlights

Miho Hatanaka has worked with notable companies in the automotive and research sectors. She has been associated with Toyota Central R&D Labs, Inc. and Toyota Motor Corporation, where she has contributed her expertise in developing advanced technologies for cleaner emissions.

Collaborations

Throughout her career, Miho has collaborated with esteemed colleagues, including Akihiko Suda and Naoki Takahashi. These partnerships have fostered innovation and have been instrumental in her research endeavors.

Conclusion

Miho Hatanaka's work in exhaust gas purification technologies exemplifies her commitment to innovation and environmental sustainability. Her patents reflect her expertise and dedication to improving air quality through advanced materials and catalysts.

Profile summary based on public USPTO records.