Company Filing History:
3 out of 11 
1 out of 45 Years Active: 1995-1996
Title: Masakazu Ohno: Innovator in Injection Molding Technology
Introduction
Masakazu Ohno is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of injection molding technology, holding a total of 3 patents. His innovative designs focus on improving the efficiency and effectiveness of injection molding processes.
Latest Patents
One of Ohno's latest patents is an "Apparatus for forming synthetic resins." This invention features an improved injection molding apparatus that includes a fixed mold and a movable second mold. The design allows for the automatic removal of residual hardened resin left in the molten resin passages after each injection operation. The apparatus is equipped with a reciprocating member that facilitates the communication between the mold cavity and the resin injection device during the injection step. This innovative arrangement effectively prevents the exposure of molten resin passages to the ambient atmosphere, thereby reducing the risk of leaks and air inclusion in molded products.
Another significant patent is the "Gate-cut and ejection control apparatus and control method for an injection molding machine." This invention optimizes the operation of an ejector that performs gate cuts and product ejections at optimal speeds. The control unit allows for separate speed settings for gate cuts and product ejections, ensuring that no gate trace remains and that no cracks are generated in the final product.
Career Highlights
Masakazu Ohno has worked with several prominent companies, including Sankyo Kasei Kabushiki Kaisha and Niigata Engineering Co., Ltd. His experience in these organizations has contributed to his expertise in injection molding technology and innovation.
Collaborations
Ohno has collaborated with notable individuals in his field, including Yukio Yoshizawa and Sumio Sato. These partnerships have likely fostered a creative environment that has led to the development of his innovative patents.
Conclusion
Masakazu Ohno is a distinguished inventor whose work in injection molding technology has led to significant advancements in the industry. His patents reflect a commitment to improving manufacturing processes and enhancing product quality.