Top Inventors at Sumitomo Aluminum Smelting Company, Limited All Time
Showing 1–29 of 29 inventors
| Rank | Name | Patents |
|---|---|---|
| 1 | Koichi Yamada | 14 |
| 2 | Takuo Harato | 8 |
| 3 | Hisakatsu Kato | 7 |
| #4 | Yasumi Shiozaki | 4 |
| #5 | Kiyomi Yanagida | 3 |
| #5 | Masahide Mouri | 3 |
| #7 | Kunio Nakazato | 2 |
| #7 | Seiichi Hamano | 2 |
| #7 | Shozo Kato | 2 |
| #7 | Tadashi Hirokane | 2 |
| #7 | Yasuo Shinya | 2 |
| #7 | Yasuhiko Ujimoto | 2 |
| #7 | Yoshisaburo Nomura | 2 |
| #7 | Akihiko Takahashi | 2 |
| #15 | Hideki Nakagami | 1 |
| #15 | Junichi Koshiba | 1 |
| #15 | Kazuo Horinouchi | 1 |
| #15 | Katsutaro Nohara | 1 |
| #15 | Kazuo Sato | 1 |
| #15 | Katsuzo Shiraishi | 1 |
| #15 | Koei Hirobe | 1 |
| #15 | Kou Nakahira | 1 |
| #15 | Masao Yoshihara | 1 |
| #15 | Takahiro Ishida | 1 |
| #15 | Tatsuo Tateno | 1 |
| #15 | Tadashi Tsukiyasu | 1 |
| #15 | Tomoari Sato | 1 |
| #15 | Harumi Magusa | 1 |
| #15 | Jun-ichi Inao | 1 |