Issued Patents All Time
Showing 26–35 of 35 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6371373 | Method for reading a two-dimensional barcode | Yue Ma | 2002-04-16 |
| 6082619 | Method for locating and reading a two-dimensional barcode | Yue Ma | 2000-07-04 |
| 5926485 | Semiconductor testing device with rewrite controller | — | 1999-07-20 |
| 5646948 | Apparatus for concurrently testing a plurality of semiconductor memories in parallel | Shinichi Kobayashi, Toshimi Ohsawa, Tadashi Okazaki, Kazumi Kita, Tadahiko Baba | 1997-07-08 |
| 5321179 | Process for preparing of aromatic hydrocarbons | — | 1994-06-14 |
| 5321196 | Process for alkylating an isoparaffin with a salt of a heteropoly-acid as a catalyst | Shingo Ohgoshi, Michio Sugimoto | 1994-06-14 |
| 5216673 | Semiconductor memory tester | — | 1993-06-01 |
| 5202513 | Process for producing aromatic hydrocarbons | — | 1993-04-13 |
| 4679996 | Rotary machine having screw rotor assembly | Masanori Tanaka, Atsushi Maehara | 1987-07-14 |
| 4576558 | Screw rotor assembly | Masanori Tanaka, Atsushi Maehara | 1986-03-18 |