Location History:
- Gunma, JP (1988 - 2004)
- Takasaki, JP (2002 - 2007)
- Annaka, JP (1991 - 2021)
Company Filing History:
18 out of 5,966 
1 out of 42 
2 out of 832,680 Years Active: 1988-2025
Title: Shinji Makikawa: Pioneer in Transparent Ceramics and Magneto-Optical Devices
Introduction
Shinji Makikawa is an accomplished inventor based in Annaka, Japan, known for his significant contributions to the field of materials science, particularly in the area of transparent ceramics and magneto-optical devices. With a remarkable portfolio of 20 patents, Makikawa has demonstrated a commitment to innovation that has advanced both industrial applications and scientific knowledge.
Latest Patents
Among his latest inventions are groundbreaking patents related to transparent ceramics and magneto-optical devices. One significant patent describes a method for manufacturing a transparent ceramic material by molding a source powder, which consists primarily of a rare earth oxide made up of at least 40 mol % of terbium oxide combined with another rare earth oxide. This innovative method includes sintering the compact at high temperatures (between 1,300° C. and 1,650° C.) to enhance the material's diffuse transmittance in the visible spectrum, while enabling its application as a magneto-optical device across a broad visible to NIR (near-infrared) region. Another notable patent details the production of a starting material powder that integrates terbium oxide with other rare earth oxides and uses a sintering aid to optimize the final material properties.
Career Highlights
Shinji Makikawa's career includes pivotal roles at leading companies such as Shin-Etsu Chemical Co., Ltd., where he honed his skills and contributed to major advancements in material science. His research and inventions have not only led to patents but have also contributed significantly to the broader field of transparent materials.
Collaborations
Throughout his career, Makikawa has collaborated with esteemed researchers, including Seiki Ejima and Toshiaki Watanabe. These partnerships have played an essential role in fostering innovative ideas and advancing research in the areas of ceramics and optical materials.
Conclusion
Shinji Makikawa stands out as an influential inventor whose work in transparent ceramics and magneto-optical devices is shaping the future of material sciences. With a substantial number of patents credited to his name, his contributions continue to have a lasting impact on various industries and research institutions. His ongoing efforts exemplify the spirit of innovation that drives technology forward.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.