Location History:
- Tochigi, JP (1991)
- Wakayama, JP (1994 - 2011)
Company Filing History:
9 out of 3,608 
1 out of 11 
1 out of 9 Years Active: 1991-2011
Title: Nobuyoshi Yamaguchi: Innovator in Liquid Detergent Composition
Introduction
Nobuyoshi Yamaguchi is a prominent inventor based in Wakayama, Japan. He has made significant contributions to the field of liquid detergent compositions, holding a total of 10 patents. His innovative work focuses on enhancing the effectiveness and safety of cleaning products.
Latest Patents
Yamaguchi's latest patents include a liquid detergent composition that features hydrogen peroxide or a compound that forms hydrogen peroxide in water. This composition contains 0.1 to 10 mass % of a bleaching activator, 45 to 80 mass % of a nonionic surfactant, water, and at least one compound selected from boric acid, borax, and borate. The pH value of this composition is maintained between 4 to 7 at 20°C. Another notable patent describes a similar liquid detergent composition, which includes hydrogen peroxide, boric acid, and a specific compound with hydroxyl groups, ensuring a pH of 4.6 to 7.0 at 20°C.
Career Highlights
Throughout his career, Yamaguchi has worked with notable companies such as Kao Corporation and Nippon Peroxide Co., Ltd. His experience in these organizations has allowed him to develop and refine his innovative detergent formulations.
Collaborations
Yamaguchi has collaborated with esteemed colleagues, including Masataka Maki and Hiroyuki Yamashita. Their combined expertise has contributed to the advancement of detergent technology.
Conclusion
Nobuyoshi Yamaguchi's contributions to liquid detergent compositions demonstrate his commitment to innovation in cleaning products. His patents reflect a deep understanding of chemistry and a dedication to improving everyday household items.