Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12421691 | Multiple fan cooling with specific baffle orientation | Kazuya Kusano, Daisuke Kawaguchi | 2025-09-23 |
| 8505499 | Cooling system for construction machine | Shigeru Hirasawa, Makoto Matsushita | 2013-08-13 |
| D678359 | Counterweight for construction machine | Shigehisa Hagura, Kazuhiko Hiraoka, Tomoyuki Miyata, Makoto Matsushita | 2013-03-19 |
| 8365855 | Construction machine | Hiroshi Kumagai | 2013-02-05 |
| 7806214 | Construction machine | Hiroshi Tsukui, Hiroshi Kumagai, Yasuhiro Kurumisawa | 2010-10-05 |