Location History:
- Chiryu, JP (2005 - 2007)
- Aichi, JP (2007)
- Tokyo, JP (2019)
Company Filing History:
5 out of 1,627 
2 out of 105 
1 out of 231 Years Active: 2005-2019
Title: Kunitoshi Kajiwara: Innovator in Engine Technology
Introduction
Kunitoshi Kajiwara is a notable inventor based in Chiryu, Japan. He has made significant contributions to the field of engine technology, holding a total of 5 patents. His innovative designs focus on enhancing the performance and reliability of engine components.
Latest Patents
One of Kajiwara's latest patents is a gasket designed to effectively prevent fluid leakage. This gasket maintains its sealing performance even under conditions of reduced surface pressure at the periphery edge of a through hole. The design features a primary seal structure located on the inner side of the periphery edge and a secondary seal structure on the outer side. The primary seal includes a primary upper layer bead, a primary intermediate layer bead, and a primary lower layer bead, all stacked in an x direction. The secondary seal structure mirrors this design with its own upper, intermediate, and lower layer beads.
Another significant patent is the structure of a cylinder block for engines. This design includes a cylinder block with multiple cylinders, bearing caps that support a crankshaft, and a bearing cap beam. The structure is further enhanced by cap bolts that fasten the bearing caps and beam to the cylinder block, along with vertical walls that engage the bearing cap beam with baffles. This innovative design aims to improve the overall efficiency and durability of engine components.
Career Highlights
Kajiwara has worked with prominent companies in the automotive industry, including Mitsubishi Motors Corporation and Mitsubishi Automotive Engineering Company. His experience in these organizations has allowed him to develop and refine his innovative ideas in engine technology.
Collaborations
Throughout his career, Kajiwara has collaborated with talented individuals such as Shinichi Murata and Masayuki Kamo. These partnerships have contributed to the advancement of his inventions and the successful implementation of his designs.
Conclusion
Kunitoshi Kajiwara is a distinguished inventor whose work in engine technology has led to several important patents. His innovative designs continue to influence the automotive industry, showcasing his commitment to enhancing engine performance and reliability.