Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5698023 | Process of producing copper phthalocyanine pigment having a bright tone | Tsutomu Takashima, Hideyuki Dohi | 1997-12-16 |
| 5528362 | Atomic absorption spectrophotometer for providing background corrected atomic absorbance-data | Tomohiro Nakano | 1996-06-18 |
| 5479253 | Sample transferring method and apparatus for flame type atomic absorption spectrophotometry | Akira Honda, Seiji Kojima | 1995-12-26 |
| 5457228 | Method for producing lower alkyl acetate | Yuichi Tokumoto, Kazuo Sakamoto, Isoo Shimizu | 1995-10-10 |
| 5311277 | Atomic absorption spectroscopic analytic apparatus | Hidehisa Nishigaki | 1994-05-10 |
| 4573793 | Spectrophotometer automatic adjustment for differences between nominal and actual wavelength settings | — | 1986-03-04 |