Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9644372 | High-strength H-beam steel exhibiting excellent low-temperature toughness and method of manufacturing same | Kazutoshi Ichikawa, Teruyuki Wakatsuki, Noriaki Onodera | 2017-05-09 |
| 6268096 | Titanyl phthalocyanine crystal and electrophotographic photoreceptor using the same | Hidemi Nukada, Yasuo Sakaguchi, Taketoshi Hoshizaki, Fumio Ojima, Masayuki Nishikawa +1 more | 2001-07-31 |
| 5985051 | Shape steel material having high strength, high toughness and excellent fire resistance and process for producing rolled shape steel of said material | Suguru Yoshida, Kazuo Watanabe | 1999-11-16 |
| 5738739 | Method for producing low carbon equivalent rolled steel shapes by controlled rolling | Yasushi Takeshima, Akira Inagaki, Naoki Oda | 1998-04-14 |
| 5456997 | Electrophotographic photoreceptor | Hiroaki Moriyama, Ryosaku Igarashi, Shigetoshi Nakamura, Tomoo Kobayashi | 1995-10-10 |
| 5440029 | Titanyl phthalocyanine crystal | Hidemi Nukada, Yasuo Sakaguchi, Taketoshi Hoshizaki, Fumio Ojima, Masayuki Nishikawa +1 more | 1995-08-08 |
| 5421920 | Process for producing rolled shape steel material having high strength, high toughness, and excellent fire resistance | Suguru Yoshida, Kazuo Watanabe | 1995-06-06 |
| 5336339 | Refractory shape steel material containing oxide and process for proucing rolled shape steel of said material | Suguru Yoshida, Kazuo Watanabe | 1994-08-09 |
| 5252417 | Titanyl phthalocyanine crystal and electrophotographic photoreceptor using the same | Akihiko Tokida, Yasuo Sakaguchi, Hidemi Nukada, Katsumi Daimon | 1993-10-12 |
| 5168024 | Inorganic-organic or semiconductive inorganic-organic composite material, production process thereof, and electrophotographic photoreceptor using the composite material | Shigetoshi Nakamura | 1992-12-01 |
| 5104758 | Electrophotographic photoreceptor comprising a squarylium compound and selenium or a selenium alloy | Kiyokazu Mashimo, Ryosaku Igarashi, Ichiro Takegawa, Yasuo Sakaguchi, Shigetoshi Nakamura | 1992-04-14 |
| 4315980 | Electrophotographic member with metallocene containing overlayer | Shigeru Sadamatsu, Kazuaki Ohmi | 1982-02-16 |