Location History:
- Hamamatsu, JP (1996 - 2001)
- Shizuoka, JP (2001 - 2021)
Company Filing History:
9 out of 1,061 
1 out of 279 
1 out of 4,237 
Years Active: 1996-2021
Title: Noriyuki Natsume: Innovator in Marine Technology
Introduction
Noriyuki Natsume is a prominent inventor based in Shizuoka, Japan. He has made significant contributions to marine technology, holding a total of 11 patents. His innovative designs have advanced the functionality and efficiency of marine propulsion systems.
Latest Patents
Natsume's latest patents include an outboard motor and a damper for the propeller unit. In this outboard motor, the damper features a bushing fixed to the periphery of a propeller shaft. The damper includes a second pressing surface that presses against a first pressing surface of the inner surface of a cylinder in a circumferential direction. An elastic member is disposed around a portion of the bushing that differs from the second pressing surface, along with a reinforcer positioned between the first and second pressing surfaces. Another notable patent is for a shift mechanism for a marine propulsion unit. This unit consists of a driveshaft and a propulsion shaft that drives a propeller. The driveshaft carries a pinion, while the propulsion shaft carries forward and reverse gears. The pinion meshes with these gears, driving them in opposite directions. A sleeve, which is rotatable with the propulsion shaft, is slidably disposed between the forward and reverse gears, allowing for efficient gear shifting.
Career Highlights
Throughout his career, Natsume has worked with notable companies such as Sanshin Kogyo Co., Ltd. and Yamaha Marine Co., Ltd. His experience in these organizations has contributed to his expertise in marine technology and innovation.
Collaborations
Natsume has collaborated with talented individuals in the field, including Kazumasa Tanimoto and Kouei Kokubo. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies.
Conclusion
Noriyuki Natsume's contributions to marine technology through his patents and collaborations highlight his role as an influential inventor. His work continues to impact the industry, paving the way for future innovations in marine propulsion systems.