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For the Inventor, By the Inventor

Tokushima, Japan

Masao Shimokawa

This inventor holds 7 USPTO granted patents. Top assignee: Shikoku Kakoki Co., Ltd.. Active years: 1987-1992.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masao Shimokawa. Retrieved from https://idiyas.com/inventor/masao-shimokawa

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 7

% Patents Active = 100.0

Average Co-Inventor Count = 1.8

ph-index = 5

Forward Citations = 44(Granted Patents)


Company Filing History:

goldMedal7 out of 145 
 
Shikoku Kakoki Co., Ltd.
 patents

Years Active: 1987-1992

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7 patents (USPTO):Explore Patents
1. 5127416 - Apparatus for cleaning interior of aseptic chamber of packaging machine (1992-07-07),
2. 5035101 - Packaging machine (1991-07-30),
3. 5007889 - Apparatus for feeding container blanks to container bottom forming (1991-04-16),
4. 4877067 - Apparatus for distributedly filling particulate or granular material (1989-10-31),
5. 4798337 - Liquid filling nozzle (1989-01-17),
6. 4755255 - Cap heat-sealing apparatus for containers (1988-07-05),
7. 4659415 - Cap heat-sealing apparatus for containers (1987-04-21),

Title: Masao Shimokawa: Innovator in Packaging Technology

Introduction

Masao Shimokawa is a prominent inventor based in Tokushima, Japan. He has made significant contributions to the field of packaging technology, holding a total of 7 patents. His innovative designs focus on improving the efficiency and cleanliness of packaging processes.

Latest Patents

One of Shimokawa's latest patents is an "Apparatus for cleaning the interior of an aseptic chamber of a packaging machine." This apparatus is designed to clean the interior of an aseptic chamber that houses a container transport conveyor. It effectively separates the required packaging workspace from the outside air. The apparatus features at least one rotatable spray pipe that extends along the entire length of the container transport path, equipped with multiple spray orifices for optimal cleaning.

Another notable patent is a "Packaging machine" that includes an aseptic chamber with a designated packaging workspace. This machine has both inner and outer container conveyors, facilitating the transport of containers. It incorporates a fixed transfer member and a movable transfer member, which can be adjusted to prevent interference with the closure of the chamber, ensuring that the interior remains aseptic during operations.

Career Highlights

Masao Shimokawa is associated with Shikoku Kakoki Co., Ltd., where he has been instrumental in developing advanced packaging solutions. His work has significantly impacted the efficiency and safety of packaging processes in various industries.

Collaborations

Shimokawa has collaborated with notable coworkers, including Shigeru Wakabayashi and Yoshio Tada. Their combined expertise has contributed to the successful development of innovative packaging technologies.

Conclusion

Masao Shimokawa's contributions to packaging technology through his patents and collaborations highlight his role as a key innovator in the field. His work continues to influence the industry, ensuring that packaging processes are both efficient and hygienic.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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