Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10746307 | Method of controlling a gate valve | Hideaki Nagai, Tomohiro Sawahata, Katsuyuki Saitoh, Yoshinori Tobita, Mitsuhiro Ikeda | 2020-08-18 |
| 9086165 | Gate valve in which amount of squeeze of sealing material is controllable | Hideaki Nagai, Takayuki Tadokoro, Naomichi YAMAGUCHI | 2015-07-21 |
| 4700402 | Input method for graphic pattern data | Tsukasa Okai | 1987-10-13 |
| 4573201 | Data processing method of binary graphic pattern and system therefor | Hideshi Hashiyama, Michio Ogura | 1986-02-25 |
| 4566128 | Method for data compression for two-value picture image | — | 1986-01-21 |
| 4524456 | Method for compressing data of two-value picture image | Hideshi Hashiyama | 1985-06-18 |
| 4513444 | Method of compressing data | Tsukasa Okai | 1985-04-23 |