Patents per Year
Top Inventors at Sanwa Shutter All Time
Showing 1–45 of 45 inventors
| Rank | Name | Patents |
|---|---|---|
| 1 | Kenji Yamaguchi | 5 |
| 1 | Noriaki Tokuyama | 5 |
| 3 | Kenji Hosoyama | 4 |
| 3 | Yoshitsugu Utsumi | 4 |
| #5 | Fumitoshi Okazaki | 3 |
| #5 | Hideo Hirabayashi | 3 |
| #5 | Masato Hirao | 3 |
| #5 | Masakazu Makino | 3 |
| #5 | Masaaki Munekata | 3 |
| #10 | Atsushi Matsumura | 2 |
| #10 | Daisuke Hozumi | 2 |
| #10 | Kazunobu Fukano | 2 |
| #10 | Kiyoshi Abe | 2 |
| #10 | Takeaki Hamada | 2 |
| #10 | Yasunori Kobayashi | 2 |
| #10 | Yoshihiro Otsuka | 2 |
| #17 | Akira Koyano | 1 |
| #17 | Akio Okada | 1 |
| #17 | Hiroshi Iwasaki | 1 |
| #17 | Hiroshi Kimura | 1 |
| #17 | Hiroshi Kobayashi | 1 |
| #17 | Hirosaburou Mori | 1 |
| #17 | Hisaya Tagata | 1 |
| #17 | Hitoshi Takei | 1 |
| #17 | Hideki Tanemura | 1 |
| #17 | Katsuhiro Sakamoto | 1 |
| #17 | Katsuaki Tomita | 1 |
| #17 | Katsuhiro Udagawa | 1 |
| #17 | Kenji Sato | 1 |
| #17 | Kiyoshi Isokawa | 1 |
| #17 | Kouji Fujino | 1 |
| #17 | Masahito Goto | 1 |
| #17 | Masaru Tanaka | 1 |
| #17 | Mitsuhiro Yoshida | 1 |
| #17 | Shin-ichi Kadowaki | 1 |
| #17 | Shun Kobayashi | 1 |
| #17 | Takashi Nagata | 1 |
| #17 | Tadashi Sasaki | 1 |
| #17 | Tokiyoshi Kagawa | 1 |
| #17 | Tomoyuki Kinoshita | 1 |
| #17 | Toyohide Nagare | 1 |
| #17 | Yoshihiro Ohtsuka | 1 |
| #17 | Yoshiaki Tanaka | 1 |
| #17 | Yoshihiro Uesugi | 1 |
| #17 | Norihisa Isemura | 1 |