Issued Patents 1994
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5344850 | Topical composition for preventing or treating acne vulgaris | Hamako Hata, Kenya Ishida | 1994-09-06 |
| 5325333 | Semiconductor memory device | — | 1994-06-28 |
| 5305331 | Data logging apparatus with memory and pattern testing device | Akira Shimizu, Hajime Hiroi, Hirohisa Ooishi | 1994-04-19 |
| 5297095 | Semiconductor non-volatile memory device improved in verifying operation for erased and write-in states | Kazuhisa Ninomiya | 1994-03-22 |