This inventor holds 1 USPTO granted patent. Top assignees: Toyoda Koki Kabushiki Kaisha, Toyota Jidosha Kogyo Kabushiki Kaisha. Active years: 1978.
Company Filing History:
1 out of 629 
1 out of 1,838 Years Active: 1978
Title: Shiro Hatanaka: Innovator in Cam Grinding Technology
Introduction
Shiro Hatanaka is a notable inventor based in Toyota, Japan. He is recognized for his contributions to the field of grinding technology, particularly through his innovative designs and patents. His work has significantly impacted the manufacturing processes in the automotive industry.
Latest Patents
Hatanaka holds a patent for a cam grinding machine with workpiece speed control. This machine is designed to enhance the grinding process by allowing the wheel head to be fed toward a rocking table that carries a work spindle. The machine operates in two steps: a rough grinding step at a fast speed followed by a fine grinding step at a slower speed. The motor control circuit is engineered to switch the motor speed with a delay, ensuring that the cam rotates at least one full revolution after transitioning from the rough to the fine grinding step. This innovative design reduces excessive infeed caused by the spring-back action of the cam, improving the overall efficiency of the grinding process.
Career Highlights
Throughout his career, Hatanaka has worked with prominent companies in the automotive sector. He has been associated with Toyoda Koki Co., Ltd. and Toyota Motor Corporation. His experience in these organizations has allowed him to develop and refine his innovative ideas in grinding technology.
Collaborations
Hatanaka has collaborated with notable colleagues such as Tsuyoshi Tamesui and Tsuneharu Matsuura. Their combined expertise has contributed to advancements in the field of manufacturing and grinding technology.
Conclusion
Shiro Hatanaka's contributions to cam grinding technology exemplify the importance of innovation in the manufacturing industry. His patented designs continue to influence the efficiency and effectiveness of grinding processes in automotive production.