Location History:
- Saitama, JP (2003 - 2012)
- Wako, JP (2001 - 2013)
Company Filing History:
11 out of 21,929 
2 out of 10,092 
Years Active: 2001-2013
Title: Masao Takeshima: Innovator in Air Cleaner Technology
Introduction
Masao Takeshima is a notable inventor based in Saitama, Japan. He has made significant contributions to the field of air cleaner technology, holding a total of 13 patents. His work has been instrumental in developing innovative solutions for engine air filtration systems.
Latest Patents
One of his latest patents is the "Air cleaner element holding structure." This invention relates to an air cleaner element holding structure for an air cleaner device used in filtering intake air for an engine. The air cleaner device includes an air cleaner element and an element holder, which are provided in an air cleaner case. The air cleaner element consists of at least a pair of element support plates, while the element holder includes at least a pair of circular plates. The air cleaner case features an intake duct that faces the inner circumferential side of the air cleaner element to conduct air. Each support plate has an outer diameter larger than that of the air cleaner element, allowing the support plates to hold the air cleaner element in a manner that both ends of the element holder contact the inside surface of the element support plates.
Another significant patent is related to a "Saddle ride type vehicle." In this design, an air cleaner is positioned above the engine, allowing for easy connection to the engine's intake port without increasing the interval between a left-right pair of frames. This vehicle includes a longitudinally laid crankshaft type engine with a crankcase, cylinder, and cylinder head. The air cleaner is strategically placed to take in air through an intake duct connected to the engine via a throttle body.
Career Highlights
Masao Takeshima has worked with prominent companies in the automotive industry, including Honda Motor Co., Ltd. and Honda Giken Kogyo Kabushiki Kaisha. His experience in these organizations has contributed to his expertise in air cleaner technology and vehicle design.
Collaborations
Throughout his career, Takeshima has collaborated with talented individuals such as Shinji Takahashi and Kihoko Kaita. These partnerships have fostered innovation and creativity in his projects.
Conclusion
Masao Takeshima's contributions to air cleaner technology and his innovative patents have made a significant impact in the automotive industry. His work continues to influence the design and functionality of engine air filtration systems.