Location History:
- Hyogo, JP (2018)
- Osaka, JP (2019 - 2023)
Company Filing History:
3 out of 8,776 
3 out of 13,247 Years Active: 2018-2023
Title: The Innovations of Takao Kokubu
Introduction
Takao Kokubu is a prominent inventor based in Osaka, Japan. He has made significant contributions to the field of battery technology, particularly in the development of nonaqueous electrolyte secondary batteries. With a total of 6 patents to his name, Kokubu's work has had a substantial impact on energy storage solutions.
Latest Patents
Kokubu's latest patents include a positive electrode active material for nonaqueous electrolyte secondary batteries. This innovative material comprises composite oxide particles that contain nickel (Ni), cobalt (Co), and lithium (Li), while also incorporating at least one of manganese (Mn) or aluminum (Al). Notably, the ratio of Ni to the total number of moles of the metal elements, excluding Li, is 80% by mole or more. The composite oxide particles are uniquely structured, consisting of both aggregated and non-aggregated particles, with a mass ratio of aggregated to non-aggregated particles ranging from 5:95 to 50:50. Another significant patent involves a positive electrode active material for secondary batteries, which features secondary particles produced by the aggregation of primary particles of a lithium transition metal oxide containing Ni and tungsten (W), along with a boron compound present inside and on the surfaces of the secondary particles.
Career Highlights
Throughout his career, Takao Kokubu has worked with notable companies such as Sanyo Electric Co., Ltd. and Panasonic Intellectual Property Management Co., Ltd. His experience in these organizations has allowed him to refine his expertise in battery technology and innovation.
Collaborations
Kokubu has collaborated with esteemed colleagues, including Takeshi Ogasawara and Atsushi Ogata. These partnerships have contributed to the advancement of his research and the successful development of his patented technologies.
Conclusion
Takao Kokubu's contributions to battery technology through his innovative patents and collaborations highlight his importance in the field. His work continues to influence the development of energy storage solutions, paving the way for future advancements.
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.