Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12258284 | Activated carbon | Hirokazu Shimizu, Keiji Sakai | 2025-03-25 |
| 11873235 | Activated carbon | Hirokazu Shimizu, Akinori Kawachi, Keiji Sakai | 2024-01-16 |
| 11618065 | Roll forming machine | Takeyuki Sato, Feizhou Wang | 2023-04-04 |
| 11305323 | Welded pipe manufacturing apparatus and welded pipe manufacturing method | Jilong YIN, Feizhou Wang, Takeyuki Sato | 2022-04-19 |
| 9895758 | Ring tool unit, method for manufacturing the same, sleeve, and mandrel | Feizhou Wang, Takeyuki Sato, Mitsuru Nakata, Takamitsu Miura | 2018-02-20 |
| 9747927 | System and method for multifaceted singing analysis | Kazuyoshi Yoshii, Masataka Goto | 2017-08-29 |
| 9595256 | System and method for singing synthesis | Masataka Goto | 2017-03-14 |
| 9368103 | Estimation system of spectral envelopes and group delays for sound analysis and synthesis, and audio signal synthesis system | Masataka Goto | 2016-06-14 |
| 9259772 | Forming apparatus | Takeyuki Sato, Manabu Ninomiya, Hiroaki Yabuta, Takeshi Watanabe | 2016-02-16 |
| 9192972 | Forming method and forming device | Feizhou Wang, Akinori Inokuma, Jilong YIN, Terutomo Akai | 2015-11-24 |
| 9180507 | Turk's head stand | Hiroaki Yabuta, Takeshi Watanabe | 2015-11-10 |
| 9156073 | Forming apparatus, shoe thereof and forming method | Feizhou Wang, Akinori Inokuma, Jilong YIN, Terutomo Akai | 2015-10-13 |
| 9009052 | System and method for singing synthesis capable of reflecting voice timbre changes | Masataka Goto | 2015-04-14 |
| 8395068 | Device and method for controlling welding angle | Feizhou Wang, Satoshi Tsuruta | 2013-03-12 |
| 8244546 | Singing synthesis parameter data estimation system | Masataka Goto | 2012-08-14 |
| 7921688 | Square tube forming roll, square tube forming method, and forming device | Feizhou Wang, Manabu Kiuchi | 2011-04-12 |