Company Filing History:
2 out of 4 
2 out of 5 Years Active: 1999
Title: Shizuo Maruyama: Innovator in Spray Can Technology
Introduction
Shizuo Maruyama is a notable inventor based in Osaka, Japan. He has made significant contributions to the field of spray can technology, holding a total of 3 patents. His innovative designs focus on improving the functionality and safety of spray cans.
Latest Patents
Maruyama's latest patents include a cap for a spray can, a spray can with the cap, and a method for discharging residual liquid and gas in a spray can. The cap design allows for the safe and efficient discharge of residual liquid and gas, ensuring that a significant amount of residual liquid can be expelled. The spray can features a unique structure with a recess or projection on the top panel, which engages with the can body. This design includes an insert hole for the stem of the can body, a narrow portion for liquid discharge, and a stop plate to direct the spouted liquid effectively.
Career Highlights
Throughout his career, Maruyama has worked with various companies, including E.qu.i.p. International Inc. and Asahipen Corporation. His experience in these organizations has contributed to his expertise in developing innovative solutions for spray can technology.
Collaborations
Maruyama has collaborated with notable individuals in his field, including Georges Radu and Hiromasa Sugimoto. These partnerships have likely enhanced his work and led to further advancements in his inventions.
Conclusion
Shizuo Maruyama's contributions to spray can technology demonstrate his commitment to innovation and safety. His patents reflect a deep understanding of the challenges associated with spray can usage and provide effective solutions. His work continues to influence the industry and improve user experience.