Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D1071098 | Conversion fitting | Keisuke Ishibashi, Takayasu Nakahama, Katsutoshi Shoji | 2025-04-15 |
| 10717343 | Heating device | Hideki Seki, Kimitake ISHIKAWA, Yasuhiro Sagou | 2020-07-21 |
| 10625574 | Ventilation apparatus | Shuzo Oda | 2020-04-21 |
| 10618371 | Air conditioner for vehicle | Shinya Kato, Jun YAMAOKA | 2020-04-14 |
| 9186954 | Blower unit | — | 2015-11-17 |
| 8167562 | Centrifugal fan and blower having the same | Masaharu Sakai, Yoshiki Kondo, Tomonori Akatsuka | 2012-05-01 |
| 8011891 | Centrifugal multiblade fan | Masaharu Sakai, Hideki Seki | 2011-09-06 |
| 7972110 | Centrifugal blower | Hideki Seki, Masaharu Sakai, Yasushi Mitsuishi | 2011-07-05 |
| 7281897 | Multi-blade centrifugal blower | Masaharu Sakai, Shoichi Imahigashi, Yasushi Mitsuishi | 2007-10-16 |
| 6971846 | Centrifugal blower | Manabu Miyata | 2005-12-06 |
| 6964555 | Centrifugal blower | Manabu Miyata | 2005-11-15 |