Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4868115 | Enzyme composition | Nobutsugu Hiraoka, Yukuo Ishizaki, Atsushi Ohshima, Mitsuo Kasai | 1989-09-19 |
| 4808531 | New restriction enzyme and process for producing the same | Nobutsugu Hiraoka, Keiko Kita, Hiroshi Nakajima | 1989-02-28 |