This inventor holds 50 USPTO granted patents, plus 15 CIPO patents and 18 EPO patents, primarily in Liquid Dispensing Technology (CPC class B05B). Top assignees: Yoshino Kogyosho Co., Ltd., Kao Soap Company, Ltd., Lion Corporation. Active years: 1979-2019.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Inventors with similar research interests:
Location History:
- Chiba, JP (1990)
- Koto, JP (1991)
- Funabashi, JP (1989 - 1993)
- Koto-ku, JP (2001 - 2008)
- Tokyo, JP (1979 - 2019)
Company Filing History:
49 out of 665 
1 out of 341 
1 out of 271 
Years Active: 1979-2019
Areas of Expertise:
Title: Shigeo Iizuka: Innovator in Liquid Dispensing Technologies
Introduction: Shigeo Iizuka, an accomplished inventor based in Tokyo, Japan, holds an impressive portfolio of 50 patents. His work predominantly focuses on innovative liquid dispensing technologies, showcasing his commitment to improving user experience and functionality in everyday products.
Latest Patents: Among his recent inventions is a trigger-type liquid dispenser designed to facilitate the easy dispensing of liquids. This innovative device features an upright and inverted dual unit consisting of a joint member, pipe holding member, and valve body. The design allows content liquids to be supplied efficiently from a container through a specifically formulated flow path. Furthermore, another version of the trigger-type liquid dispenser integrates a dispenser main body, pump, and nozzle, where the nozzle can be rotated to either an open or closed position, enhancing user control and preventing spillage.
Career Highlights: Shigeo Iizuka has made significant contributions to the field while working with notable companies such as Yoshino Kogyosho Co., Ltd. and Kao Soap Company, Ltd. His extensive experience in these organizations has allowed him to channel his inventive spirit into groundbreaking products that meet market needs.
Collaborations: Throughout his career, Iizuka has collaborated with talented professionals, including Tadao Saito and Hiroshi Mizushima. Their teamwork has driven the joint pursuit of excellence in the development of innovative solutions.
Conclusion: Shigeo Iizuka continues to be a prominent figure in the field of liquid dispensing technology. His latest patents not only highlight his creative ingenuity but also underscore the importance of innovation in enhancing everyday products. His work stands as a testament to the impact of dedicated inventors on the industry.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile