Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12233358 | Filter device | Nobuyuki Kitajima | 2025-02-25 |
| 12194397 | Measurement unit and filter device | Nobuyuki Kitajima | 2025-01-14 |
| 12025526 | Differential pressure detection device | Nobuyuki Kitajima, Megumi Nomoto | 2024-07-02 |
| 11850538 | Filter life predicting apparatus | Nobuyuki Kitajima | 2023-12-26 |
| 11714016 | Differential pressure detection device | Megumi Nomoto, Tatsuhiro OSHITA | 2023-08-01 |
| 10926207 | Filter device | Nobuyuki Kitajima | 2021-02-23 |
| 10821377 | Filter device | Nobuyuki Kitajima, Yoshinori Tsurusaki | 2020-11-03 |
| 10060776 | Differential pressure sensor, and filtration device used therewith | Jiro Inoue, Hiroshi Inaba, Nobuyuki Kitajima | 2018-08-28 |
| 6054818 | Electric motor vehicle | Kunio Tabata, Minoru Kozaki, Issei Yamakoshi, Kunihiko Takagi, Yoshikazu Koike +2 more | 2000-04-25 |
| 6037726 | Electric motor vehicle | Kunio Tabata, Minoru Kozaki, Issei Yamakoshi, Kunihiko Takagi, Yoshikazu Koike +2 more | 2000-03-14 |
| 5900686 | Electric motor vehicle | Kunio Tabata, Minoru Kozaki, Issei Yamakoshi, Kunihiko Takagi, Yoshikazu Koike +2 more | 1999-05-04 |
| 5359764 | Method for disassembling and assembling a mold | Shigeo Negataki | 1994-11-01 |