Average Co-Inventor Count = 2.74
ph-index = 4
The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.
Company Filing History:
1. Ricoh Company, Ltd. (6 from 28,544 patents)
2. Dai Nippon Printing Co., Ltd. (6 from 3,192 patents)
3. Honda Giken Kogyo Kabushiki Kaisha (4 from 10,092 patents)
4. Riken Corporation (3 from 851 patents)
5. The University of Tokyo (2 from 1,281 patents)
6. Other (1 from 832,680 patents)
7. Plus Corporation (1 from 80 patents)
8. Nippon Leakless Kogyo Kabushiki Kaisha (1 from 1 patent)
9. Agc Inc. (1,023 patents)
10. Agc Chemicals Europe, Limited (3 patents)
21 patents:
1. D1026087 - Stamp for protecting personal information
2. 10954216 - BMP-signal-inhibiting compound
3. 9156827 - Anticancer agent
4. 8279507 - Hologram and holgraphic viewing device incorporating it
5. 8038590 - Conductive member, process cartridge having the same, and image forming apparatus having the process cartridge
6. 7969632 - Fabrication method for a computer-generated hologram in which a three-dimensional object having visualized cross-sectional surfaces is recorded, and computer-generated hologram in which a three-dimensional object having visualized cross-sectional surfaces is recorded
7. 7693456 - Conductive member and process cartridge having it and image forming apparatus having the process cartridge
8. 7679797 - Hologram and holographic viewing device incorporating it
9. 7615344 - Process for producing extract for cell-free protein synthesis and cell extract produced thereby
10. 7580187 - Diffractive optical element and optical low-pass filter utilizing the same
11. 7580170 - Fabrication method for a computer-generated hologram or a holographic stereogram in which a three-dimensional object having visualized cross-sectional surfaces is recorded and computer-generated hologram/holographic
12. 7316253 - Sealant for prevention of blowout, tubeless tire, and tire tube
13. 7301683 - Hologram and holographic viewing device incorporating it
14. 7151904 - Conductive member and process cartridge and image forming apparatus using the same
15. 7135218 - Film for use in intermediate image transfer member and method of producing endless-belt-shaped film