Toshio Kawamura

This inventor holds 8 USPTO granted patents. Top assignees: Toshiba Ceramics Co., Ltd., Sumitomo Metal Industries, Inc., Sumitomo Metal Indus., Ltd.. Active years: 1986-1999.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Toshio Kawamura. Retrieved from https://idiyas.com/inventor/toshio-kawamura-204f5p38

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

Calculating rank

USPTO Granted Patents = 8

% Patents Active = 100.0

Average Co-Inventor Count = 5.2

ph-index = 4

Forward Citations = 37(Granted Patents)

Location History:

Aichi, JP (1991)
Takahama, JP (1986 - 1999)

Company Filing History:

8 out of 189

Toshiba Ceramics Co., Ltd.

patents

2 out of 929

Sumitomo Metal Industries, Inc.

patents

1 out of 1

Sumitomo Metal Indus., Ltd.

patent

where one patent can have more than one assignee

Years Active: 1986-1999

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8 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5958279 - Refractory slide-gate plate (1999-09-28),

2. 5478055 - Slide gate plate for casting and method for mounting and removing the (1995-12-26),

3. 5055433 - Refractory having high resistance to corrosion and spalling and (1991-10-08),

4. 5035919 - Repairing material of a brick and a method of repairing a brick (1991-07-30),

5. 4995535 - Nozzle device for discharging molten metal (1991-02-26),

6. 4970180 - Repairing material of a brick (1990-11-13),

7. 4632283 - Molten metal discharging device (1986-12-30),

8. 4583721 - Molten metal discharging device (1986-04-22),

Title: The Innovative Contributions of Toshio Kawamura

Introduction

Toshio Kawamura is a notable inventor based in Takahama, Japan. He has made significant contributions to the field of refractory materials, holding a total of eight patents. His work has been instrumental in advancing technologies related to casting and molten metal handling.

Latest Patents

Kawamura's latest patents include a refractory slide-gate plate designed to enhance the efficiency of molten metal vessels. This innovative slide-gate plate features a refractory base plate with a unique ring shape and a recess portion on its surface. It incorporates a refractory plate member that is securely engaged with the base plate, ensuring durability and effectiveness. Additionally, the design includes an inert gas supply groove, which is crucial for optimal performance. Another significant patent is the slide gate plate for casting, which integrates fixed plates and a slide plate through a shell mechanism, allowing for precise mounting in molten metal vessels.

Career Highlights

Throughout his career, Kawamura has worked with prominent companies such as Toshiba Ceramics Co., Ltd. and Sumitomo Metal Industries, Inc. His experience in these organizations has contributed to his expertise in refractory materials and casting technologies.

Collaborations

Kawamura has collaborated with esteemed colleagues, including Kazumi Arakawa and Masuo Sugie. These partnerships have fostered innovation and the development of advanced technologies in their field.

Conclusion

Toshio Kawamura's contributions to the field of refractory materials and casting technologies are noteworthy. His innovative patents and collaborations reflect his commitment to advancing industry standards. His work continues to influence the field and inspire future innovations.

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]