Tokyo, Japan

Yasuji Otsuka

This inventor holds 1 USPTO granted patent. Top assignees: Kansai Zyari Kabushiki-Kaisha, Otsuka Iron Works, Ltd., Toshiba Ceramics Co., Ltd.. Active years: 1989.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yasuji Otsuka. Retrieved from https://idiyas.com/inventor/yasuji-otsuka

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


% Patents Active = 100.0

Average Co-Inventor Count = 5.0

ph-index = 1

Forward Citations = 1(Granted Patents)


Company Filing History:


Years Active: 1989

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1 patent (USPTO):Explore Patents

Title: Yasuji Otsuka: Innovator in Cage Mill Technology

Introduction

Yasuji Otsuka is a notable inventor based in Tokyo, Japan. He is recognized for his innovative contributions to machinery, particularly in the design of a cage mill. His work has led to advancements in milling technology, showcasing his expertise in engineering.

Latest Patents

Otsuka holds a patent for a cage mill, which features a unique design that includes a housing, a rotatable disc, and a series of support shafts. These support shafts are fixed at one end to the disc, forming a cage structure. The design incorporates a band attached to the other end of each support shaft, along with ceramic pins that allow for movement and flexibility. This innovative mechanism enables the ceramic pins to rotate around the support shafts when the nuts are released, enhancing the efficiency of the milling process.

Career Highlights

Throughout his career, Yasuji Otsuka has worked with prominent companies, including Toshiba Ceramics Co., Ltd. and Kansai Zyari Kabushiki-kaisha. His experience in these organizations has contributed to his development as an inventor and has provided him with valuable insights into the industry.

Collaborations

Otsuka has collaborated with notable colleagues such as Sousuke Naito and Hidekazu Takahashi. Their teamwork has likely fostered an environment of innovation and creativity, leading to advancements in their respective fields.

Conclusion

Yasuji Otsuka's contributions to the field of milling technology through his cage mill patent exemplify his innovative spirit and engineering prowess. His collaborations and career experiences further highlight his impact on the industry.

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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