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USPTO Data Jan 1 1976 - Dec 2 2025
279 Patents
#3 in Shizuoka-ken
#543 in Japan
#3,064 in the World
Yamaha Marine Kabushiki Kaisha
Forward Citations = 2,043
138 inventors:
Yamaha Marine Kabushiki Kaisha
Patents = 279
Forward Citations = 2,043
where 'Filed Patents' based on already Granted Patents
where 'Inventors Filed' based on already Granted Patents
138 inventors (with patents filed for the assignee):
Takashi Okuyama (30 out of 44 patents)
Goichi Katayama (27 out of 47 patents)
Isao Kanno (23 out of 79 patents)
4. Masanori Takahashi (19 out of 133 patents)
5. Daisuke Nakamura (15 out of 68 patents)
6. Masahiko Kato (15 out of 104 patents)
7. Yoshimasa Kinoshita (11 out of 43 patents)
8. Makoto Mizutani (11 out of 60 patents)
9. Masaru Suzuki (9 out of 105 patents)
10. Kazumasa Ito (9 out of 25 patents)
11. Isao Fujii (8 out of 17 patents)
12. Yoshibumi Iwata (8 out of 18 patents)
13. Hitoshi Motose (8 out of 54 patents)
14. Katsumi Ochiai (7 out of 49 patents)
15. Tetsuya Mashiko (7 out of 21 patents)
279 patents:
Yamaha Marine Kabushiki Kaisha is a subsidiary of Yamaha Motor Corporation and is renowned for manufacturing marine products. They specialize in the production of outboard motors, personal watercraft, boats, and marine engines. Their commitment to innovation, performance, and reliability has made them a global leader in the marine industry.
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