Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9995291 | Sealed compressor and refrigeration unit including sealed compressor | Kenji Kinjo, Akihiko Kubota | 2018-06-12 |
| 6049252 | Programmable-gain amplifier | — | 2000-04-11 |
| 5939902 | Integrating circuit internally included in semiconductor device | — | 1999-08-17 |
| 5885981 | Antibacterial penem esters derivatives | Takashi Nakatsuka, Rie Tanaka, Masaji Ishiguro | 1999-03-23 |
| 5830889 | Antibacterial penem esters derivatives | Takashi Nakatsuka, Rie Tanaka, Masaji Ishiguro | 1998-11-03 |
| 5703068 | Penem compounds | Takashi Nakatsuka, Rie Tanaka, Masaji Ishiguro | 1997-12-30 |
| 5506225 | Antibacterial penem compounds | Takashi Nakatsuka, Rie Tanaka, Masaji Ishiguro | 1996-04-09 |
| 5289231 | Apparatus for manufacturing disc medium | Nobutaka Magome, Junichi Morino, Toru Kiuchi | 1994-02-22 |
| 5116832 | Penem derivatives production and use thereof | Masaji Ishiguro, Rie Tanaka | 1992-05-26 |
| 5026844 | Process for the preparation of 4-acyloxy-2-azetidinone derivatives | Masaji Ishiguro, Takashi Nakatsuka, Yasuo Yamada | 1991-06-25 |
| 4997829 | Penem compounds, and use thereof | Masaji Ishiguro, Takashi Nakatsuka | 1991-03-05 |
| 4985575 | Process for preparing optically active tetrahydro-2-furoic acid | Masaji Ishiguro, Takashi Nakatsuka, Kiyoharu Nakayama, Osamu Miyahara, Kenichi Noguchi | 1991-01-15 |
| 4716299 | Apparatus for conveying and inspecting a substrate | Hiroshi Tanaka, Yukio Kakizaki | 1987-12-29 |
| 4655584 | Substrate positioning apparatus | Hiroshi Tanaka, Yukio Kakizaki, Tsuyoshi Naraki | 1987-04-07 |