Ikemori, Keiji
Patent Applications and Registrations
Patent applications and USPTO patent grants for Ikemori, Keiji.The latest application filed is for "anti-fog coating material and anti-fog article".
- Ikemori, Keiji - Yokohama-shi JP
- Ikemori; Keiji - Yokohama JP
- Ikemori; Keiji - Kanagawa JP
- Ikemori; Keiji - Kawasaki JA
| Patent | Date |
|---|---|
| Anti-fog coating material and anti-fog article App 20020061950 - Yamamoto, Tohru ; et al. | 2002-05-23 |
| Anti-fogging coating material, anti-fogging coating film and anti-fogging article Grant 6,306,932 - Yamamoto , et al. October 23, 2 | 2001-10-23 |
| Non-fogging antireflection film and optical member, and production process thereof Grant 5,976,680 - Ikemori , et al. November 2, 1 | 1999-11-02 |
| Compact varifocal lens Grant 5,305,148 - Ikemori , et al. April 19, 1 | 1994-04-19 |
| Compact zoom lens Grant 5,270,866 - Oizumi , et al. December 14, 1 | 1993-12-14 |
| Magnification changing lens Grant 5,078,481 - Nakayama , et al. January 7, 1 | 1992-01-07 |
| Zoom lens capable of selecting a focal length beyond a standard focal length range Grant 4,865,434 - Matsushita , et al. September 12, 1 | 1989-09-12 |
| Optical system of variable magnification power Grant 4,836,661 - Ikemori June 6, 1 | 1989-06-06 |
| Zoom lens capable of obtaining focal lengths beyond a variable focal length range Grant 4,830,477 - Takahashi , et al. May 16, 1 | 1989-05-16 |
| Camera Grant 4,804,986 - Ohnuki , et al. February 14, 1 | 1989-02-14 |
| Varifocal optical system Grant 4,784,479 - Ikemori November 15, 1 | 1988-11-15 |
| Zoom lens Grant 4,775,228 - Ikemori , et al. October 4, 1 | 1988-10-04 |
| Zoom lens assembly Grant 4,750,821 - Yamamoto , et al. June 14, 1 | 1988-06-14 |
| Optical system of variable magnification Grant 4,707,103 - Ikemori , et al. November 17, 1 | 1987-11-17 |
| Aberrational deterioration prevented zoom lens Grant 4,705,363 - Ikemori November 10, 1 | 1987-11-10 |
| Zoom lens Grant 4,702,567 - Kato , et al. October 27, 1 | 1987-10-27 |
| High range zoom lens Grant 4,695,133 - Kitagishi , et al. September 22, 1 | 1987-09-22 |
| Zoom lens Grant 4,687,302 - Ikemori , et al. August 18, 1 | 1987-08-18 |
| Small-sized wide angle zoom objective Grant 4,647,160 - Ikemori March 3, 1 | 1987-03-03 |
| High range zoom lens Grant 4,639,096 - Kitagishi , et al. January 27, 1 | 1987-01-27 |
| Zoom lens Grant 4,586,793 - Tanaka , et al. May 6, 1 | 1986-05-06 |
| High variable magnification wide angle zoom lens Grant 4,509,833 - Ikemori April 9, 1 | 1985-04-09 |
| Ultrawide angle zoom objective Grant 4,477,153 - Suda , et al. October 16, 1 | 1984-10-16 |
| Wide angle zoom lens Grant 4,469,412 - Tajima , et al. September 4, 1 | 1984-09-04 |
| Optical system for focal length conversion Grant 4,456,340 - Ikemori June 26, 1 | 1984-06-26 |
| Zoom lens Grant 4,400,064 - Ikemori , et al. August 23, 1 | 1983-08-23 |
| Wide angle zoom lens Grant 4,390,248 - Ikemori June 28, 1 | 1983-06-28 |
| Retro-focus type wide angle lens Grant 4,310,222 - Ikemori * January 12, 1 | 1982-01-12 |
| Optically compensated zoom lens Grant 4,232,942 - Ikemori November 11, 1 | 1980-11-11 |
| Zoom lens system Grant 4,135,786 - Ikemori January 23, 1 | 1979-01-23 |
| Retrofocus type wide angle objective lens Grant 4,111,558 - Ikemori September 5, 1 | 1978-09-05 |
| Retro-telecentric lens Grant 3,947,094 - Ikemori March 30, 1 | 1976-03-30 |
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