Issued Patents All Time
Showing 76–95 of 95 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D422371 | Self-ballasted compact fluorescent lamps | Masayoshi Kato, Takeshi Matsumura | 2000-04-04 |
| D421138 | Self-ballasted compact fluorescent lamps | Masayoshi Kato, Takeshi Matsumura | 2000-02-22 |
| D420155 | Self-ballasted compact fluorescent lamps | Masayoshi Kato, Takeshi Matsumura | 2000-02-01 |
| D417296 | Self-ballasted compact fluorescent lamps | Masayoshi Kato, Takeshi Matsumura | 1999-11-30 |
| D415294 | Self-ballasted compact fluorescent lamps | Masayoshi Kato, Takeshi Matsumura | 1999-10-12 |
| D415293 | Self-ballasted compact fluorescent lamps | Masayoshi Kato, Takeshi Matsumura | 1999-10-12 |
| D414883 | Self-ballasted compact fluorescent lamps | Masayoshi Kato, Takeshi Matsumura | 1999-10-05 |
| D414569 | Self-ballasted compact fluorescent lamps | Masayoshi Kato, Takeshi Matsumura | 1999-09-28 |
| D414282 | Self-ballasted compact fluorescent lamps | Masayoshi Kato, Takeshi Matsumura | 1999-09-21 |
| D412758 | Self-ballasted compact fluorescent lamps | Masayoshi Kato, Takeshi Matsumura | 1999-08-10 |
| D412212 | Self-ballasted compact fluorescent lamps | Masayoshi Kato, Takeshi Matsumura | 1999-07-20 |
| D411890 | Self-ballasted compact fluorescent lamps | Masayoshi Kato, Takeshi Matsumura | 1999-07-06 |
| 5844357 | Light-bulb-shaped fluorescent lamp | Takeshi Matsumura, Kenji Nakano, Kenji Itaya | 1998-12-01 |
| D400988 | Fluorescent lamp | Takeshi Matsumura | 1998-11-10 |
| D356874 | Fluorescent lamp | Masashi Sangen, Takeshi Matsumura | 1995-03-28 |
| D355495 | Fluorescent lamp | Takeshi Matsumura | 1995-02-14 |
| D354145 | Fluorescent lamp | Takeshi Matsumura | 1995-01-03 |
| D353902 | Fluorescent lamp | Masashi Sangen, Takeshi Matsumura | 1994-12-27 |
| D353901 | Fluorescent lamp | Masashi Sangen, Takeshi Matsumura | 1994-12-27 |
| D353900 | Fluorescent lamp | Masashi Sangen, Takeshi Matsumura | 1994-12-27 |