Issued Patents All Time
Showing 26–50 of 54 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6476975 | Mother glass composition for graded index lens | Tetsuro Yoshii, Shigeo Kittaka | 2002-11-05 |
| 6470712 | Method of changing the surface of a glass substrate containing silver, by using a laser beam | Keiji Tsunetomo, Masahiro Oikawa, Kenjiro Hamanaka | 2002-10-29 |
| 6397161 | Method for stabilizing output of rain sensor and protection method therefor | Shuhei Tanaka, Keiji Tsunetomo | 2002-05-28 |
| 6360041 | Optical demultiplexer and method of assembling optical demultiplexer in optical axis alignment | Kenichi Nakama | 2002-03-19 |
| 6329451 | Flame retardant plastic resin composition | Kazuaki Matsumoto, Yoshitaka Ono, Katsutoyo Fujita, Yoichi Ohara, Kazushi Hirobe | 2001-12-11 |
| 6291797 | Laser machining method for glass substrate, diffraction type optical device fabricated by the machining method, and method of manufacturing optical device | Keiji Tsunetomo | 2001-09-18 |
| 6285037 | Liquid drop detection method and apparatus therefor | Shuhei Tanaka, Keiji Tsunetomo | 2001-09-04 |
| 6262389 | Laser-processable glass substrate and laser processing method | Keiji Tsunetomo | 2001-07-17 |
| 6239570 | Wiper controller apparatus of water drop sensitive type | Shuhei Tanaka, Keiji Tsunetomo | 2001-05-29 |
| 6239444 | Water drop detector on transparent substrate and initiating method and output stabilizing method therefor | Shuhei Tanaka, Keiji Tsunetomo | 2001-05-29 |
| 6220058 | Method of changing the surface of a glass substrate containing silver, by using a laser beam | Keiji Tsunetomo, Masahiro Oikawa, Kenjiro Hamanaka | 2001-04-24 |
| 6174943 | Flame-retardant thermoplastic resin composition | Kazuaki Matsumoto, Yoshitaka Ono, Katsutoyo Fujita, Yoichi Ohara, Kazushi Hirobe | 2001-01-16 |
| 6147753 | Multilayer, cushioned liquid drop detector | Keiji Tsunetomo, Shuhei Tanaka, Hideki Imanishi | 2000-11-14 |
| 6143382 | Glass substrate having fine holes | Keiji Tsunetomo, Hideki Imanishi | 2000-11-07 |
| 6097167 | Water drop detector or transparent substrate and initiating method and output stabilizing method therefor | Shuhei Tanaka, Keiji Tsunetomo | 2000-08-01 |
| 6019606 | Robot teaching machine | Katsumi Yamamoto, Shinichi Sugita, Toshiro Itaya | 2000-02-01 |
| 6008467 | Laser processing method to an optical waveguide | Keiji Tsunetomo | 1999-12-28 |
| 5998782 | Water drop detector on transparent substrate | Keiji Tsunetomo, Shuhei Tanaka, Hideki Imanishi | 1999-12-07 |
| 5991049 | Transparent substrate having rain sensor | Shuhei Tanaka, Keiji Tsunetomo, Hideki Imanishi | 1999-11-23 |
| 5951731 | Laser processing method to a micro lens | Keiji Tsunetomo | 1999-09-14 |
| 5917603 | Wiper control apparatus | Shuhei Tanaka, Keiji Tsunetomo | 1999-06-29 |
| 5910256 | Method for manufacturing a diffraction type optical element | Keiji Tsunetomo | 1999-06-08 |
| 5886088 | Polyethylene terephthalate resin composition | Kazuaki Matsumoto, Masahiko Mihoichi, Youichi Ohara, Kazushi Hirobe, Kenji Mogami | 1999-03-23 |
| 5871570 | Flame-retardant resin composition | Kenji Mogami, Masahiro Asada | 1999-02-16 |
| 5684071 | Additive for thermpolastic resins and flame retardant resin composition | Kenji Mogami, Masaaki Nakamura, Tomomi Nakashima, Akiyoshi Somemiya | 1997-11-04 |