Location History:
- Kokubunji, JP (1987 - 1989)
- Bunkyo-ku, Tokyo, JP (1992)
- Fuchu, JP (1991 - 1993)
- Hachioji, JP (1994 - 1997)
- Tokorozawa, JP (1996 - 2009)
- Saitama, JP (2008 - 2012)
- Kawasaki, JP (2016)
- Tokyo, JP (1991 - 2022)
- Okinawa-ken, JP (2022)
Company Filing History:
16 out of 42,526 
8 out of 8 
6 out of 3,781 
Years Active: 1987-2022
Areas of Expertise:
Title: Eiichi Murakami: Innovator in Ultrasonic Flow Measurement Technology
Introduction: Eiichi Murakami, a notable inventor based in Tokorozawa, Japan, has made significant contributions to the field of ultrasonic flow measurement technology. With an impressive portfolio of 40 patents, Murakami's work focuses on innovative methods that enhance the accuracy and efficiency of flow measurement devices.
Latest Patents: Among his recent innovations is a patented method for manufacturing a measurement pipeline portion of an ultrasonic flow meter. This method involves disposing a soft-melted parison in molds designed to form the shape of the measurement pipeline. The parison is expanded using gas inflow, facilitating blow molding. Critical components such as the pipe body, fluid inlet, and outlet portions are formed using an inner mold, while ultrasonic wave input-output portions are designed to bulge outwards, positioned obliquely concerning the pipe body’s center line. Following the solidification of the parison, the ends of the fluid inlet and outlet are cut to produce the final measurement pipeline portion.
Another of Murakami's latest patents describes a clamp-on ultrasonic flow measuring device. This device is engineered for precise positioning on an existing flow tube of a specific shape. It consists of a pair of tube holding portions connected to a base by a shaft, allowing them to be opened and closed. The ultrasonic transmission and reception units situated within the tube holding portions face each other at an inclined angle. The design ensures that when measuring, the front surfaces of the ultrasonic transmission bodies make contact with the tube's surface, enhancing measurement accuracy by analyzing the time differences in ultrasonic beam travel.
Career Highlights: Throughout his distinguished career, Eiichi Murakami has worked with reputable companies, including Hitachi, Ltd. and Atsuden Co., Ltd. His roles in these organizations have allowed him to develop and refine his skills in the field of measurement technology, contributing to his impressive number of patents.
Collaborations: Collaborating with talented individuals has been a hallmark of Murakami's career. He has worked alongside notable coworkers such as Fumihiko Uchida and Natsuki Yokoyama. Their collective efforts have undoubtedly contributed to the innovative advancements in ultrasonic flow measurement technology.
Conclusion: Eiichi Murakami's contributions to the field of ultrasonic flow measurement technology are exemplified by his substantial portfolio of patents. His innovative methods and devices continue to pave the way for enhanced accuracy in flow measurement, showcasing the profound impact of dedicated inventors in industry. The collaboration with skilled colleagues further underscores the importance of teamwork in driving technological advancements forward.