Location History:
- Mishima, JP (1989 - 2009)
- Aichi-ken, JP (2009)
- Nishikamo-gun, JP (2003 - 2013)
Company Filing History:
11 out of 36,713 
1 out of 5,207 
1 out of 4,119 
Years Active: 1989-2013
Title: The Innovations of Makoto Ishikawa
Introduction
Makoto Ishikawa is a notable inventor based in Nishikamo-gun, Japan. He has made significant contributions to the field of engineering, particularly in the development of technologies related to internal combustion engines. With a total of 12 patents to his name, Ishikawa's work has had a lasting impact on automotive technology.
Latest Patents
One of Ishikawa's latest patents is a starter for internal combustion engines. This innovative starter includes a power transmission mechanism that features an outer race plate fastened to a crankshaft and a ring gear coupled to the rotational shaft of an electric motor. The design incorporates a one-way clutch that allows torque transmission only from the ring gear to the outer race plate, along with two sealing members. The lubrication structure of this mechanism ensures that lubricant is effectively supplied from the cylinder block, enhancing the overall performance and reliability of the engine starter.
Another significant patent focuses on the lubrication structure of the cranking rotational force transmission mechanism for internal combustion engines. This design includes lubricant-return holes in the intermediate portion of the ring gear, allowing for efficient discharge of stagnant lubricant to the oil pan side. This innovation prevents bubbling and sludge production, which can occur due to agitation of the lubricant surface, thereby improving the longevity and efficiency of the engine.
Career Highlights
Throughout his career, Ishikawa has worked with prominent companies in the automotive industry, including Toyota Motor Corporation and Aisin Seiki Co., Ltd. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking advancements in engine technology.
Collaborations
Ishikawa has collaborated with esteemed colleagues such as Toshiaki Asada and Kazuhito Sakai. Their combined expertise has fostered an environment of innovation and creativity, leading to the development of several key technologies in the automotive sector.
Conclusion
Makoto Ishikawa's contributions to the field of engineering, particularly in the realm of internal combustion engines, are noteworthy. His innovative patents and collaborations with leading companies and professionals have solidified his reputation as a significant figure in automotive technology.