Issued Patents All Time
Showing 1–25 of 40 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12362372 | Fuel cell system | Masayuki Ito, Nobuyuki Kitamura, Takahiro UMEHARA | 2025-07-15 |
| 12294102 | Air vehicle | Hiroki Okabe, Tomohiro Shinagawa, Yoshihiro Shinozaki | 2025-05-06 |
| 12119736 | Power supply unit capable of reducing possibility of overcurrent and current shortage | Nobuyuki Kitamura, Takahiro UMEHARA, Masayuki Ito | 2024-10-15 |
| 11973411 | Power supply unit with current control | Masayuki Ito, Takahiro UMEHARA | 2024-04-30 |
| 11831055 | Fuel cell system | Takahiro UMEHARA, Nobuyuki Kitamura, Masayuki Ito | 2023-11-28 |
| 11791726 | Power conversion device | Masayuki Ito | 2023-10-17 |
| 11658557 | Control device and control method | Masayuki Ito | 2023-05-23 |
| 11588388 | Power supply system, control device, and method for measuring reactor current | Daiki Yaginuma, Masato Nonaka, Keidai Minami, Masaharu Kimura | 2023-02-21 |
| 11463038 | Control device for multi-phase converter, multi-phase converter system, and power supply system | Masayuki Itou | 2022-10-04 |
| 11450869 | Fuel cell system | Masayuki Ito, Hideyuki Kumei | 2022-09-20 |
| 11444536 | Power supply system, control device, and method for measuring reactor current | — | 2022-09-13 |
| 11316182 | Fuel cell module | Masayuki Itou | 2022-04-26 |
| 11264909 | Control device of multi-phase converter and power supply system | Masayuki Itou | 2022-03-01 |
| 11239480 | Fuel cell system | Masayuki Ito, Hideyuki Kumei | 2022-02-01 |
| 11177493 | Fuel cell system and vehicle | Masayuki Ito, Yasushi Araki | 2021-11-16 |
| 11165080 | Fuel cell system | Masayuki Ito, Hideyuki Kumei | 2021-11-02 |
| 11145882 | Fuel cell system | Masayuki Ito, Hideyuki Kumei | 2021-10-12 |
| 11139490 | Fuel cell system | Hideyuki Kumei, Masayuki Ito | 2021-10-05 |
| 11094949 | Fuel cell system | Masayuki Ito | 2021-08-17 |
| 11069912 | Fuel cell system | Masayuki Ito | 2021-07-20 |
| 11050072 | Fuel cell system and operation control method of the same | Yoshiaki Naganuma, Yutaka Tano, Yohei Okamoto | 2021-06-29 |
| 10777827 | Water drainage device for fuel cell, fuel cell system, moving body and control method of fuel cell system | Tomohiro Ogawa, Ryosuke OYA, Mitsuhiro Nada, Yoshiaki Naganuma | 2020-09-15 |
| 10714770 | Fuel cell system | Yoshiaki Naganuma | 2020-07-14 |
| 10359754 | Fuel cell system and method of controlling fuel cell | Yutaka Tano, Mitsuhiro Nada, Yohei Okamoto | 2019-07-23 |
| 10224558 | Fuel cell system and operation control method of the same | Yoshiaki Naganuma, Yutaka Tano, Yohei Okamoto | 2019-03-05 |