Sumida, JP ranks #2,686 worldwide for total patents filed in 2016, with 43 patents from 21 inventors. Leading employers of inventors based in Sumida, JP include Sanyo Electric Co., Daikin Industries, Kao.
Showing 1–21 of 21 inventors
| Rank ↑ | Inventor ↕ | Primary Company ↕ | Patents ↕ |
|---|---|---|---|
| 1 | Yasuhiro Yamauchi | Sanyo Electric Co. | 8 |
| 2 | Masahiro Oka | Daikin Industries | 6 |
| 3 | Naoyuki Yamazaki | Kao | 4 |
| #4 | Tomoaki Sawabe | Kabushiki Kaisha Toshiba | 3 |
| #4 | Satoshi Nagai | Mitsubishi Gas Chemical Company | 3 |
| #6 | Nobuteru Ishizuka | Kao | 2 |
| #6 | Aiko Shudo | Kao | 2 |
| #6 | Yoshinobu Hayakawa | Tokyo Electron Limited | 2 |
| #9 | Yuumi Matsuda | Kao | 1 |
| #9 | Makoto Kogoh | IBM | 1 |
| #9 | Koji Nakanishi | Applied Materials | 1 |
| #9 | Kazuhiro Yamaki | Kao | 1 |
| #9 | Yasuhiro Shidahara | Kao | 1 |
| #9 | Takashi Tsutsumi | Fuji Electric Fa Components & Systems Co. | 1 |
| #9 | Yukio Noda | Kokusai Denshin Denwa Co. | 1 |
| #9 | Sayaka Domon | Kao | 1 |
| #9 | Yoshikazu Ogura | Kao | 1 |
| #9 | Tomomi Ishii | Kao | 1 |
| #9 | Tomoya FUJII | Ricoh Company | 1 |
| #9 | Takekazu Kakinuma | Sony | 1 |
| #9 | Tomoka Maekawa | Kao | 1 |