Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D982137 | Flow controller | Toshinori Kurata, Katsuya Morozumi | 2023-03-28 |
| 10627034 | Manifold apparatus | Hideo Sasaki | 2020-04-21 |
| D672669 | Magnetic sensor | Kenji Irokawa, Masahisa Takahashi | 2012-12-18 |
| D672260 | Magnetic sensor | Kenji Irokawa, Masahisa Takahashi | 2012-12-11 |
| D669039 | Pressure switch having a digital display | Mitsuhiro Saitoh | 2012-10-16 |
| 7886592 | Flow sensor | Hideki Uchiyama, Yuta Oshima, Hironori Sakaguchi | 2011-02-15 |
| D606166 | Flow switch | — | 2009-12-15 |
| D456290 | Pressure detection switch | Kenji Irokawa | 2002-04-30 |
| D449789 | Signal input and output unit | Kenji Irokawa, Koichi Katsumata, Emi Motegi | 2001-10-30 |
| D448344 | Signal converter | Nobuyuki Ishitsuka | 2001-09-25 |
| D437295 | Pressure switch having a digital display | Kenji Irokawa, Koichi Katsumata, Takashi Ohmori | 2001-02-06 |
| D433998 | Signal-input device | Nobuyuki Ishitsuka | 2000-11-21 |