Location History:
- Ohaza Koubukuro, Iizuka-shi, Fukuoka, JP (1996)
- Fukuoka-ken, JP (2015)
- Fukuoka, JP (2013 - 2019)
- Kitakyushu, JP (2019 - 2023)
Company Filing History:
9 out of 1,190 
2 out of 151 
1 out of 832,680 Years Active: 1996-2023
Title: The Innovative Contributions of Takeshi Yamakawa
Introduction
Takeshi Yamakawa is a prominent inventor based in Kitakyushu, Japan. He has made significant contributions to the field of sanitary devices, holding a total of 11 patents. His work focuses on enhancing personal hygiene through innovative technology.
Latest Patents
Among his latest inventions is a sanitary washing device designed to improve cleanliness and comfort. This device includes a nozzle that discharges water toward the ano-genital region, ensuring effective sanitation. The device features a valve unit with an electromagnetic valve, which is strategically placed on a pipeline connecting the water supply source to the nozzle. Additionally, the device incorporates a flexible water supply hose that connects to a casing with a concave portion, enhancing its usability. Another notable patent is a similar sanitary washing device that includes a controller to manage the operation of the nozzle and valve unit, further demonstrating Yamakawa's commitment to innovation in personal hygiene.
Career Highlights
Takeshi Yamakawa has worked with notable companies such as Toto Ltd. and the Kyushu Institute of Technology. His experience in these organizations has allowed him to develop and refine his inventions, contributing to advancements in sanitary technology.
Collaborations
Throughout his career, Yamakawa has collaborated with talented individuals, including Masayuki Mochita and Saki Yamamura. These partnerships have fostered a creative environment that has
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.