Issued Patents All Time
Showing 1–25 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6311521 | Process for producing flame reaction members for burners | Masato Seki | 2001-11-06 |
| 6227844 | Combustor structure for igniters | Yasuaki Nakamura, Masato Seki, Takashi Tsukamoto | 2001-05-08 |
| 6217315 | Liquid fuel burning device | Yasuaki Nakamura, Takashi Tsukamoto | 2001-04-17 |
| 6196832 | combustion wick for liquid fuel combustion appliance | Yasuaki Nakamura, Masato Seki, Takashi Tsukamoto | 2001-03-06 |
| 6120566 | Liquid fuel for combustion appliances and combustion appliance using the same | Yasuaki Nakamura, Takashi Tsukamoto | 2000-09-19 |
| 6113385 | Combustion wick for liquid fuel combustion appliances | Yasuaki Nakamura, Takashi Tsukamoto | 2000-09-05 |
| 6102688 | Combustion apparatus for liquid fuel and combustion wick | Yasuaki Nakamura, Takashi Tsukamoto | 2000-08-15 |
| 6089218 | Vaporization acceleration device for high-calorie gas appliance | Yasuaki Nakamura | 2000-07-18 |
| 6013903 | Flame reaction material carrier and method of manufacturing flame reaction member | Masato Seki, Noriyuki Serizawa | 2000-01-11 |
| 6010334 | Combustion appliance for liquid fuel | Yasuaki Nakamura, Yosimitsu Kaga, Takashi Tsukamoto | 2000-01-04 |
| 5915953 | Catalyst member for a lighter and process for producing the same | Noriyuki Serizawa, Masato Seki, Shinichi Okawa, Jun Kashiwagi | 1999-06-29 |
| 5898013 | Catalyst support member | Masato Seki, Jun Kashiwagi | 1999-04-27 |
| 5807092 | Method of and device for detecting the residual of gas quantity in a cassette-type gas cylinder | Yasuaki Nakamura | 1998-09-15 |
| 5743724 | Flame reaction member for gas combustion appliances and a process for producing the same | Masato Seki, Jun Kashiwagi, Satosi Komiyama | 1998-04-28 |
| 5738507 | Gas igniter | Noriyuki Serizawa, Takayuki Suzuki | 1998-04-14 |
| 5716204 | Combustion device in lighters | Noriyuki Serizawa, Masato Seki, Shinichi Okawa | 1998-02-10 |
| 5640948 | Safety device for use with portable heater | Tomio Nitta, Masato Seki, Yosimitu Kaga, Noriyuki Serizawa | 1997-06-24 |
| 5598833 | Safety device for use with portable heater | Tomio Nitta, Masato Seki, Yosimitu Kaga, Noriyuki Serizawa | 1997-02-04 |
| 5568805 | Safety device for use with portable heater | Tomio Nitta, Masato Seki, Yosimitu Kaga, Noriyuki Serizawa | 1996-10-29 |
| 5555905 | Cassette type gas cylinder with remaining volume alarm unit and manufacturing method thereof | Yasuaki Nakamura | 1996-09-17 |
| 5462044 | Safety device for use with portable heater | Tomio Nitta, Masato Seki, Yosimitu Kaga, Noriyuki Serizawa | 1995-10-31 |
| 5456929 | Ready-to-heat canned goods | Tomio Nitta, Tsutomu Shike | 1995-10-10 |
| 5408987 | Portable heater | Tomio Nitta, Masato Seki, Shinichi Okawa, Yosimitu Kaga, Noriyuki Serizawa +2 more | 1995-04-25 |
| 5373836 | Water heater | Serizawa Noriyuki, Shike Tsutomu | 1994-12-20 |
| 5298207 | Method of producing a microcell polymer filter for use in flow rate regulating mechanisms for gas lighters and similar devices | Masato Seki, Tsutomu Shike | 1994-03-29 |