Issued Patents All Time
Showing 25 most recent of 46 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12428817 | Hydraulic circuit of a construction machinery | Koichi KIYASU | 2025-09-30 |
| 12429071 | Pilot pressure control device | Toshikazu KOGA | 2025-09-30 |
| 12410588 | Hydraulic control system in working machine | Koichi KIYASU | 2025-09-09 |
| 12366054 | Hydraulic control system in working machine | Koichi KIYASU | 2025-07-22 |
| 12345019 | Hydraulic control system in working machines | Koichi KIYASU, Toshikazu KOGA | 2025-07-01 |
| 12320372 | Calibration system and calibration method in hydraulic system | Koichi KIYASU | 2025-06-03 |
| 12180682 | Hydraulic control system | Koichi KIYASU | 2024-12-31 |
| 12163539 | Valve calibration system and calibration method | Koichi KIYASU | 2024-12-10 |
| 12123172 | Boom control circuit for a construction machine | Koichi KIYASU | 2024-10-22 |
| 12098523 | Hydraulic control circuit | Kazushi YAMADA | 2024-09-24 |
| 12018459 | Hydraulic control system for a working machine | Koichi KIYASU | 2024-06-25 |
| 11692332 | Hydraulic control system | Koichi KIYASU | 2023-07-04 |
| 11629479 | Hydraulic control circuit for a construction machine | Koichi KIYASU | 2023-04-18 |
| 11585595 | Refrigerator | Hiroyuki Tanaka, Takashi Yoshikawa | 2023-02-21 |
| 11585068 | Boom control system for a construction machine | — | 2023-02-21 |
| 11566640 | Hydraulic control circuit for a construction machine | Koichi KIYASU | 2023-01-31 |
| 11421715 | Hydraulic control circuit for working machine | — | 2022-08-23 |
| 11242671 | Hydraulic circuit of construction machine | Seiji Aoki, Yoshiyuki TODE, Masahiro OHIRA | 2022-02-08 |
| 11162245 | Stick control system in construction machine | — | 2021-11-02 |
| 11131080 | Hydraulic circuit of construction machine | Seiji Aoki, Yoshiyuki TODE, Masahiro OHIRA | 2021-09-28 |
| 11008734 | Hydraulic control circuit for construction machine | — | 2021-05-18 |
| 10480159 | Kinetic energy recovery system for a machine | Anthony Dean McNealy, Corey Lee Gorman, Shogo Tada, Rustin Glenn Metzger, Justin Douglas Speichinger +1 more | 2019-11-19 |
| 10473125 | Hydraulic actuator control circuit | Shuhei Orimoto, Naoki Kuroda | 2019-11-12 |
| 10337532 | Split spool valve | Pengfei Ma, Aleksandar Egelja, Justin Douglas Speichinger, Shuhei Orimoto, Tetsuya Yoshino +4 more | 2019-07-02 |
| 9599238 | Valve having improved spool geometry | Matthew J. Beschorner, Bryan A. Johnson | 2017-03-21 |