Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8765266 | Wet friction member and its manufacturing method | Atsushi Suzuki, Masataka Kawabata, Masami Hata | 2014-07-01 |
| 6401964 | Portable insulating receptacles | Toru Goto, Yasuhiro Kowa | 2002-06-11 |
| 6332346 | Metal vessel and a fabrication method for the same | Yasuhiko Komiya | 2001-12-25 |
| 6182487 | Metal vessel and a fabrication method for the same | Yasuhiko Komiya | 2001-02-06 |
| 6119888 | Portable insulating receptacles | Toru Goto, Yasuhiro Kowa | 2000-09-19 |
| 6079589 | Drinking receptacle covers | Shin Matsuyama, Yasuhiro Kowa, Toru Goto, Rikiya Kato | 2000-06-27 |
| D409451 | Vacuum bottle | Rikiya Kato, Yasuhiro Kowa, Toru Goto | 1999-05-11 |
| 5335809 | Heat insulating container | Seiichi Ito, Hidetoshi Ohta, Isao Ishikawa | 1994-08-09 |
| 5031519 | Heat insulating cooking vessel | Kazunori Iwasaki, Yasuhiro Kowa | 1991-07-16 |
| 4990254 | Portable water purifier | Takeshi Kuwana, Kazunori Iwasaki, Tooru Goto | 1991-02-05 |
| D306953 | Vacuum bottle | Yukiko Kase, Hidetoshi Ohta | 1990-04-03 |