Idemitsu Engineering Co., Ltd.
Tokyo, JP· latest recorded location
Idemitsu Engineering Co., Ltd. is named on 4 US grants and 0 published applications in this corpus. Its most frequent classification is B01J (Chemical or physical processes).
- Granted patents
- 4
- Published applications
- 0
- Inventors
- 4
- Granted in 2026 so far
- 0
- Most recent grant
- 23 May 2000
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
By publication year.
Technology areas
Share of 4 documents
Recent patents
- Method of treating or recovering gaseous hydrocarbon contained in waste gas23 May 2000US 6,066,192 A
- Apparatus for packing catalyst18 Aug 1998US 5,795,550 A
- Method of packing catalyst19 May 1998US 5,753,585 A
- Method of feeding catalyst and apparatus for the same18 Nov 1997US 5,687,780 A
No published applications.
Most cited
By later US patents