Company Filing History:

12 out of 42,485

Hitachi, Ltd.

where one patent can have more than one assignee

Years Active: 1981-2001

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12 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6315830 - Molten metal plating apparatus (2001-11-13),

2. 5851675 - Apparatus having sliding member with precursor material providing solid (1998-12-22),

3. 5711613 - Slide structure and continuous hot dipping apparatus having slide (1998-01-27),

4. 5667310 - Molten metal immersion sliding bearing and continuous hot-dip plating (1997-09-16),

5. 5571327 - Continuous hot dipping apparatus and slide bearing structure therefor (1996-11-05),

6. 5252273 - Slip casting method (1993-10-12),

7. 5200373 - High strength composite ceramic structure and process for producing the (1993-04-06),

8. 5072689 - Continuous hot-dip plating apparatus (1991-12-17),

9. 4605057 - Process for producing core for casting (1986-08-12),

10. 4278581 - Mold binder material (1981-07-14),

11. 4269256 - Process for preparing mold (1981-05-26),

12. 4243420 - Particulate material for forming molds and method for producing same (1981-01-06),

Title: Junji Sakai: Innovator in Molten Metal Plating Technology

Introduction

Junji Sakai is a prominent inventor based in Ibaraki, Japan. He has made significant contributions to the field of molten metal plating, holding a total of 12 patents. His innovative approaches have led to advancements in various industrial applications.

Latest Patents

One of Sakai's latest patents is a molten metal plating apparatus. This apparatus features all surfaces of a sinking roller and a supporting roller that are in contact with molten metal, coated with iron silicide films. Additionally, the bearing comprises a holder made of heat-resistant steel, lined with a carbon-carbon fiber complex material. The surface of the holder is also coated with an Fe,Si film, similar to that of the sinking roller. Furthermore, there is an Fe,Si film on the surface of a shaft portion, which slides on the carbon-carbon fiber complex material.

Another notable patent is an apparatus having a sliding member with a precursor material that provides solid lubrication. This apparatus includes a plurality of sliding members, with at least one being a self-lubricating-function sliding member. This member is characterized by containing a precursor compound that produces a solid-lubricating compound during sliding by reacting with the atmosphere or a component of the material in contact.

Career Highlights

Sakai has worked with renowned companies such as Hitachi, Ltd. and Hitachi Metals, Ltd. His experience in these organizations has allowed him to develop and refine his innovative technologies in molten metal plating.

Collaborations

Throughout his career, Junji Sakai has collaborated with notable coworkers, including Mitsuo Nakagawa and Hitoshi Okoshi. These collaborations have contributed to the advancement of his inventions and the development of new technologies.

Conclusion

Junji Sakai is a distinguished inventor whose work in molten metal plating technology has led to significant advancements in the field. His innovative patents and collaborations with industry leaders highlight his contributions to modern engineering.

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