| No. |
Inventor |
Name of Invention |
Regstrd. in |
Date of Regist.? |
Duration |
Remarks |
| Patent No |
| 1 |
H. Uehara
T. Nakaoka |
Condenser |
EPC |
1985.4.17 |
1985.4.17-
2005.4.17 |
Patent in EPC
for 20years |
| 0162578 |
| 2 |
H. Uehara
T. Nakaoka |
OTEC Plant |
EPC |
1985.4.17 |
-ditto- |
-ditto- |
| 0162579 |
| 3 |
H. Uehara
T. Nakaoka |
Condenser |
USA |
1985.4.12 |
1985.4.12-
2005.4.12 |
Patent in USA
for 20years |
| 4658890 |
| 4 |
H. Uehara
T. Nakaoka |
OTEC Plant |
USA |
1985.4.12 |
1985.4.12-
2005.4.12 |
Patent in USA
for 20years |
| 4628212 |
| 5 |
H. Uehara
T. Nakaoka |
Condenser |
Japan |
1984.4.17 |
1984.4.17-
2004.4.17 |
Patent |
| 1504640 |
| 6 |
H. Uehara
T. Nakaoka |
OTEC Plant |
Japan |
1984.4.17 |
1984.4.17-
2004.4.17 |
Patent |
| 1572740 |
| 7 |
H. Uehara
T. Nakamura
S. Nishida
T. Nakaoka |
Control Technique for? OTEC |
Japan |
1984.4.17 |
1984.4.17-
2004.4.17 |
Patent |
| 1572741 |
| 8 |
H. Uehara
Y. Ikegami |
OTEC Plant |
Japan |
1993.9.22 |
1993.9.22-
2013.9.22 |
Patent |
| 2081684 |
| 9 |
H. Uehara
Y. Ikegami |
Energy Conversion Device |
Japan |
1994.9.20 |
1992.9.20-
2012.9.20 |
Patent |
| 2611185 |
| 10 |
H. Uehara
Y. Ikegami |
Thermal Power Generator |
USA |
1994.6.7 |
1994.6.7-
2014.6.7 |
Patent in USA
for 20years |
| 5588297 |
| 11 |
H. Uehara
Y. Ikegami |
Energy Conversion Device |
USA |
1995.8.31 |
1995.8.31-
2015.8.31 |
Patent in USA
for 20years |
| 5617738 |
| 12 |
H. Uehara
Y. Ikegami |
OTEC Plant |
EPC |
1994.7.20 |
1994.7.20-
2014.7.20 |
Patent in EPC
for 20years |
| 0649985 |
