Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5082575 | Method for fire-extinguishment on hardly extinguishable burning materials | — | 1992-01-21 |
| 5053146 | Method for extinguishment of metal fire and fire extinguishing agent therefor | — | 1991-10-01 |
| 4915853 | Method for fire extinguishment of hardly extinguishable dangerous material | — | 1990-04-10 |
| 4879050 | Method for fire extinguishment of chlorosilanes | Tamotsu Yanagisawa, Masao Yabuzuka, Masakatu Shimizu, Takashi Tanaka | 1989-11-07 |
| 4838946 | Absorbent of chlorosilane compound | Tamotsu Yanagisawa, Minoru Kobayashi | 1989-06-13 |
| 4830762 | Method for fire extinguishment of liquid chlorosilane compound | Tamotsu Yanagisawa, Masao Yabuzuka, Takashi Tanaka, Masakatu Shimizu | 1989-05-16 |
| 4243473 | Method for detecting crystal defects in semiconductor silicon and detecting solution therefor | Itsuo Kuroyanagi | 1981-01-06 |