Location History:
- Fujisawa, JP (1999 - 2005)
- Kanagawa, JP (2005 - 2010)
- Tokyo, JP (2011 - 2020)
Company Filing History:
13 out of 2,512 
6 out of 1,310 
3 out of 3 
Years Active: 1999-2020
Title: Hiroshi Yakuwa - An Inventor Revolutionizing Sliding Materials and Erosion Prediction
Introduction:
Hiroshi Yakuwa, a highly esteemed inventor from Kanagawa, Japan, has made significant contributions to the fields of sliding materials and erosion prediction in fluid machines. With an impressive portfolio of 17 patents, Yakuwa has consistently pushed the boundaries of innovation. In this article, we will delve into his latest patents and explore his notable work experiences and collaborations.
Latest Patents: Sliding Material, Shaft Sleeve, and Pump
Yakuwa's recent patent demonstrates his expertise in developing advanced sliding materials. The patent describes a TiC–(Ti–Mo) sliding material with unique characteristics, including a binder phase made of a Ti–Mo alloy and a hard phase containing TiC. The material satisfies specific conditions, such as optimal proportions of binder and hard phases, particle size distribution, and molybdenum concentration. This innovation holds significant potential for enhancing the performance and durability of sliding components in various industries.
Erosion Prediction Method, System, and Database
Yakuwa's second recent patent showcases his proficiency in erosion prediction for fluid machines. This patent introduces an erosion characteristics database and a method for constructing it. The aim is to accurately predict widespread erosion in a fluid machine, such as cavitation erosion, without relying on costly and time-consuming experiments. The method involves calculating erosion intensity distribution, determining the erosion surface based on representative sphere properties, and predicting shape deformation caused by erosion. This invention has the potential to revolutionize erosion prediction, enabling efficient maintenance and design improvements for fluid machines.
Work Experiences:
Throughout his career, Yakuwa has lent his expertise to prominent companies in the industry, leaving his mark on their research and development endeavors. He has worked with Ebara Corporation, a global leader in the field of fluid machinery, where he contributed his innovative insights into improving the company's products. Additionally, Yakuwa has collaborated with Nippon Tungsten Co., Ltd., a renowned tungsten manufacturing company, where he likely made significant advancements related to materials science and innovation.
Notable Collaborators:
Yakuwa's extensive contributions have often been the result of teamwork and collaborations. Toshio Narita and Shigenari Hayashi, his notable coworkers, have likely played pivotal roles in aiding his inventions and sharing knowledge and expertise in their respective fields. Collaborations such as these foster a culture of innovation and enable researchers like Yakuwa to further their creative potential.
Conclusion:
Hiroshi Yakuwa, with his impressive number of patents and innovative mindset, is pushing the boundaries of sliding materials and erosion prediction. By developing novel sliding material compositions and introducing efficient erosion prediction methodologies, he brings significant value to industries relying on fluid machines. Yakuwa's contributions epitomize the spirit of innovation and underscore the importance of persistence in designing advanced solutions for complex challenges.