Company Filing History:

13 out of 1,138

Kabushiki Kaisha Toyota Chuo Kenkyusho

patents

2 out of 36,499

Toyota Jidosha Kabushiki Kaisha

patents

where one patent can have more than one assignee

Years Active: 1990-2013

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13 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 8507130 - Water based lithium secondary battery (2013-08-13),

2. 7675291 - Method and device for monitoring deterioration of battery (2010-03-09),

3. 7201999 - Secondary cell (2007-04-10),

4. 7189475 - Lithium secondary battery (2007-03-13),

5. 7025907 - Carbon-containing lithium-iron composite phosphorus oxide for lithium secondary battery positive electrode active material and process for producing the same (2006-04-11),

6. 6306542 - Lithium manganese composite oxide for lithium secondary battery cathode active material, manufacturing method thereof, and lithium secondary battery using the composite oxide as cathode active material (2001-10-23),

7. 5958827 - Solid solution particle of oxides, a process for producing the same and (1999-09-28),

8. 5945369 - Catalyst for purifying exhaust gases and process for producing the same (1999-08-31),

9. 5618772 - Method for producing catalyst (1997-04-08),

10. 5523268 - Silicon nitride sintered body (1996-06-04),

11. 5120682 - Sintered body of silicon nitride (1992-06-09),

12. 5081079 - Sintered body of silicon nitride and a process for making the same (1992-01-14),

13. 4978645 - Silicon nitride sintered body (1990-12-18),

Title: Innovations of Yoshio Ukyo

Introduction

Yoshio Ukyo is a prominent inventor based in Seto, Japan, known for his significant contributions to battery technology. With a total of 13 patents to his name, he has made remarkable advancements in the field of lithium secondary batteries. His work focuses on enhancing battery performance and longevity, which is crucial in today's technology-driven world.

Latest Patents

One of his latest patents is for a water-based lithium secondary battery. This innovative battery design aims to inhibit capacity deterioration during charge-and-discharge operations, ensuring high capacity even after repeated use. The battery consists of a positive electrode, a negative electrode, and a separator, all immersed in an aqueous electrolyte solution derived from a lithium salt dissolved in a water-based solvent. The use of a pH buffer solution as the solvent enhances the battery's performance.

Another notable patent involves a method and device for monitoring battery deterioration. This method includes a series of steps: first, performing constant current discharge from the battery at a predetermined current value while measuring the voltage; second, calculating the overpotential for mass transfer control or resistance based on the measured voltage; and third, determining if a characteristic change has occurred in the battery when the calculated overpotential or resistance exceeds a predetermined threshold value.

Career Highlights

Yoshio Ukyo has worked with notable companies such as Toyota Central R&D Labs and Toyota Motor Corporation. His experience in these organizations has allowed him to develop and refine his innovative ideas in battery technology.

Collaborations

Throughout his career, Ukyo has collaborated with esteemed colleagues, including Toshio Kandori and Shigetaka Wada. These partnerships have contributed to the advancement of his research and the successful development of his patents.

Conclusion

Yoshio Ukyo's contributions to battery technology through his innovative patents have significantly impacted the field. His work continues to pave the way for advancements in energy storage solutions, making him a key figure in the industry.

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