Location History:
- Chigasaki, JP (2000 - 2010)
- Osaka, JP (2010 - 2011)
Company Filing History:
5 out of 16,453 
3 out of 27,375 
Years Active: 2000-2011
Title: Innovations of Hideyuki Kumakiri
Introduction
Hideyuki Kumakiri is a notable inventor based in Osaka, Japan. He has made significant contributions to the field of battery technology, holding a total of 8 patents. His work focuses on the development of advanced secondary batteries, which are essential for various applications in modern technology.
Latest Patents
Kumakiri's latest patents include a secondary cell and its manufacturing method. This innovative secondary battery features an electrode group formed by winding a positive electrode plate and a negative electrode plate with a separator interposed between them. Each of the electrode plates includes a current collector and mixture layers, each containing an active material and formed on the surface of the current collector. Notably, a plurality of trenches are formed in the surfaces of the mixture layers of at least one of the positive and negative electrode plates, with curvature portions at the side edges and bottom centers. Another significant patent involves an electrode plate for a battery, which includes a both-surface coated part where an electrode active material layer is provided on both surfaces of a current collector core material. This design enhances the efficiency and performance of lithium secondary batteries.
Career Highlights
Throughout his career, Kumakiri has worked with prominent companies such as Panasonic Corporation and Matsushita Electric Industrial Co., Ltd. His experience in these organizations has allowed him to refine his expertise in battery technology and contribute to groundbreaking innovations.
Collaborations
Kumakiri has collaborated with notable colleagues, including Masaharu Miyahisa and Yoshiki Ohsawa. These partnerships have fostered a creative environment that has led to the development of advanced technologies in the field of energy storage.
Conclusion
Hideyuki Kumakiri's contributions to battery technology through his patents and collaborations highlight his importance as an inventor in the industry. His innovative designs continue to influence the development of efficient energy storage solutions.
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.