Kawaguchi, JP ranks #2,941 worldwide for total patents filed in 2021, with 42 patents from 28 inventors. Leading employers of inventors based in Kawaguchi, JP include Sony, Tokiwa, Mitsubishi Electric.
Showing 1–28 of 28 inventors
| Rank ↑ | Inventor ↕ | Primary Company ↕ | Patents ↕ |
|---|---|---|---|
| 1 | Masakazu Naito | Sony | 4 |
| 2 | Yoshikazu Tani | Tokiwa | 3 |
| 2 | Shunichi Morishima | Mitsubishi Electric | 3 |
| 2 | Yasunori Yamada | IBM | 3 |
| 2 | Hiroki KUDOH | Sekisui Polymatech Co. | 3 |
| #6 | Kazufuku Nitta | Metran Co. | 2 |
| #6 | Yukihiro Matsumoto | Nippon Shokubai Co. | 2 |
| #6 | Takahide Kobayashi | Hitachi Automotive Systems | 2 |
| #9 | Tadayuki Okamoto | Enplas | 1 |
| #9 | Keisuke Tsutsui | Olympus | 1 |
| #9 | Yosuke Oba | Laurel Precision Machines Co. | 1 |
| #9 | Shunsuke Togashi | Tokiwa | 1 |
| #9 | Tsutomu Okuyama | Kaneka | 1 |
| #9 | Mitsutoshi Noguchi | Canon | 1 |
| #9 | Toshiki Kawada | Enplas | 1 |
| #9 | Tamotsu Masuda | Hines Nurseries | 1 |
| #9 | Shiro Fujii | Nippon Steel | 1 |
| #9 | Yasuo Osada | Sony | 1 |
| #9 | Takatsugu Nakamura | Canon | 1 |
| #9 | Yusuke MAESHIMA | Mitsubishi Electric | 1 |
| #9 | Shuichi Uruma | Canon | 1 |
| #9 | Yukikazu Ishida | Tokiwa | 1 |
| #9 | Yuki FUJII | Enplas | 1 |
| #9 | Masaki Kagano | — | 1 |
| #9 | Toshiaki Enoki | Fukuoka Institute Of Technology | 1 |
| #9 | Norio Nakai | Canon | 1 |
| #9 | Yuka YAMAWAKI | Tokiwa | 1 |
| #9 | Ryo Shiina | Jtekt | 1 |