| Patent | Date |
|---|
Photovoltaic apparatus and mass-producing apparatus for mass-producing spherical semiconductor particles
App 20060162763 - Hamakawa; Yoshihiro ; et al. | 2006-07-27 |
Photovoltaic apparatus and mass-producing apparatus for mass-producing spherical semiconductor particles
Grant 6,706,959 - Hamakawa , et al. March 16, 2 | 2004-03-16 |
Photovoltaic apparatus and mass-producing apparatus for mass-producing spherical semiconductor particles
App 20020096206 - Hamakawa, Yoshihiro ; et al. | 2002-07-25 |
Magnetic layered material, and magnetic sensor and magnetic storage/read system based thereon
Grant 6,087,027 - Hoshiya , et al. July 11, 2 | 2000-07-11 |
Magnetic layered material, and magnetic sensor and magnetic storage/read system based thereon
Grant 5,843,589 - Hoshiya , et al. December 1, 1 | 1998-12-01 |
Magnetic head and recording and reproducing apparatus having an arrangement for improving coincidence between a magnetic center of a read head and physical center of a write head
Grant 5,719,729 - Koyama , et al. February 17, 1 | 1998-02-17 |
Thin film semiconductor device and photoelectric conversion device using the thin film semiconductor device
Grant 5,686,734 - Hamakawa , et al. November 11, 1 | 1997-11-11 |
Magnetoresistive read head and magnetic storage system using the same
Grant 5,461,526 - Hamakawa , et al. October 24, 1 | 1995-10-24 |
Flexible photovoltaic device
Grant 5,419,781 - Hamakawa , et al. May 30, 1 | 1995-05-30 |
Method of forming microcrystalline silicon-containing silicon carbide film
Grant 5,021,103 - Hamakawa , et al. June 4, 1 | 1991-06-04 |
Thin film magnetic head including magnetic layers having high saturation magnetic flux density and metal film for avoiding deterioration during manufacturing
Grant 4,943,879 - Takano , et al. July 24, 1 | 1990-07-24 |
Color sensor with amorphous pin structure
Grant 4,820,915 - Hamakawa , et al. April 11, 1 | 1989-04-11 |
Multilayered magnetic films and thin-film magnetic heads using the same as a pole
Grant 4,814,921 - Hamakawa , et al. March 21, 1 | 1989-03-21 |
Magnetic head made from amorphous magnetic film
Grant 4,766,039 - Otomo , et al. August 23, 1 | 1988-08-23 |
Ferromagnetic material and a magnetic head using the same material
Grant 4,762,755 - Shiiki , et al. August 9, 1 | 1988-08-09 |
Thin film magnetic head having an improved coil
Grant 4,760,481 - Yuito , et al. July 26, 1 | 1988-07-26 |
Substrate for manufacturing single crystal thin films
Grant 4,758,399 - Hamakawa , et al. July 19, 1 | 1988-07-19 |
Substrate for manufacturing single crystal thin films
Grant 4,735,396 - Hamakawa , et al. April 5, 1 | 1988-04-05 |
Method for production of semiconductor by glow discharge decomposition of silane
Grant 4,634,601 - Hamakawa , et al. January 6, 1 | 1987-01-06 |
Flexible photovoltaic device
Grant 4,612,409 - Hamakawa , et al. September 16, 1 | 1986-09-16 |
Amorphous silicon semiconductor and process for same
Grant 4,544,423 - Tsuge , et al. October 1, 1 | 1985-10-01 |
Amorphous semiconductor and amorphous silicon photovoltaic device
Grant 4,499,331 - Hamakawa , et al. February 12, 1 | 1985-02-12 |
Photovoltaic device
Grant 4,496,788 - Hamakawa , et al. January 29, 1 | 1985-01-29 |
Amorphous silicon photovoltaic device including a two-layer transparent electrode
Grant 4,491,682 - Hamakawa , et al. * January 1, 1 | 1985-01-01 |
Amorphous silicon photovoltaic device having two-layer transparent electrode
Grant 4,450,316 - Hamakawa , et al. May 22, 1 | 1984-05-22 |
Method of forming amorphous silicon films
Grant 4,410,559 - Hamakawa , et al. October 18, 1 | 1983-10-18 |
High-voltage photovoltaic cell having a heterojunction of amorphous semiconductor and amorphous silicon
Grant 4,388,482 - Hamakawa , et al. June 14, 1 | 1983-06-14 |
Photovoltaic cell having a hetero junction of amorphous silicon carbide and amorphous silicon
Grant 4,385,199 - Hamakawa , et al. May 24, 1 | 1983-05-24 |
Photovoltaic cell having a hetero junction of amorphous silicon carbide and amorphous silicon
Grant 4,385,200 - Hamakawa , et al. May 24, 1 | 1983-05-24 |
Photovoltaic device
Grant 4,271,328 - Hamakawa , et al. June 2, 1 | 1981-06-02 |
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