Optec Co., Ltd.
Tokyo, JP· latest recorded location
Optec Co., Ltd. is named on 8 US grants and 0 published applications in this corpus. Its most frequent classification is B29C (Shaping or joining of plastics).
- Granted patents
- 8
- Published applications
- 0
- Inventors
- 4
- Granted in 2026 so far
- 0
- Most recent grant
- 30 Jan 2001
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
By publication year.
Technology areas
Share of 8 documents
- B29CShaping or joining of plastics3
- Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests3
- A63FCard, board, or roulette games2
- B29DProducing particular articles from plastics or from substances in a plastic state2
- G01CMeasuring distances, levels or bearings2
- G01DMeasuring not specially adapted for a specific variable1
- G01SRadio direction-finding1
- G08CTransmission systems for measured values, control or similar signals1
Recent patents
- Remote control receiver30 Jan 2001US 6,181,741 B2
- Method of molding synthetic resin screws17 Nov 1998US 5,837,182 A
- Game machine controller2 Jun 1998US 5,759,100 A
- Method of molding synthetic resin and apparatus for use therein23 Dec 1997US 5,700,415 A
- Method of and apparatus for molding synthetic resin screws21 Jan 1997US 5,595,702 A
No published applications.
Most cited
By later US patents
- Game machine controller168US 5,759,100 A1998
- Method of molding synthetic resin and apparatus for use therein25US 5,700,415 A1997
- Equipment for measuring a difference in elevation10US 5,087,125 A1992
- Position encoder using a laser scan beam8US 4,733,069 A1988
- Method of and apparatus for molding synthetic resin screws5US 5,595,702 A1997