This inventor holds 23 USPTO granted patents, primarily in Automotive Transmission Systems. Top assignees: Toyota Jidosha Kabushiki Kaisha, Toyota Jidosha Kogyo Kabushiki Kaisha, Nippon Piston Ring Co., Ltd.. Active years: 1978-1996.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Toyota, JA (1978)
- Toyata, JP (1982)
- Toyota, JP (1980 - 1988)
- Okazaki, JP (1988 - 1990)
- Gotenba, JP (1996)
Company Filing History:
12 out of 38,970 
11 out of 1,838 
2 out of 230 
Years Active: 1978-1996
Areas of Expertise:
Title: Fumihiro Ushijima: Innovator in Alcohol Detection and Drive Mechanisms
Introduction
Fumihiro Ushijima, based in Toyota, Japan, is a prominent inventor recognized for his significant contributions to technology, holding a total of 23 patents. His innovative spirit has led to advancements in both alcohol measurement devices and automotive drive mechanisms.
Latest Patents
Among Ushijima's latest patents is a measuring apparatus for detecting alcohol in exhalation. This device is designed to measure the concentration of alcohol with high accuracy within a short timeframe. It features an alcohol sensor located within an air passage, which measures the concentration of alcohol in the air. The apparatus includes a heating element for the sensor and a suction pump to draw air through the passage, ensuring precise measurements.
Additionally, Ushijima has developed a drive mechanism for part-time four-wheel drive vehicles. This mechanism involves a limited slip type that includes driving and driven members, connected by a friction clutch. A fluid pump operates between these members, enhancing the vehicle's operation by enabling better control of fluid circulation and clutch engagement.
Career Highlights
Ushijima has built an impressive career at notable companies such as Toyota Motor Corporation and Toyota Jidosha Kogyo Kabushiki Kaisha. His work has greatly influenced advancements in automotive technology, showcasing his dedication to improving vehicle performance and safety.
Collaborations
Throughout his career, Fumihiro Ushijima has collaborated with several respected colleagues, including Hiroshi Sakamaki and Tadashi Saitou. These partnerships have contributed to his success and the development of innovative solutions in the automotive field.
Conclusion
Fumihiro Ushijima’s inventive contributions continue to push the boundaries of technology, particularly in the areas of alcohol detection and vehicle drive mechanisms. With his extensive patent portfolio and collaborative efforts, Ushijima remains a key figure in the innovation landscape.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile