Growing community of inventors

Settsu, Japan

Masashi Itoh

Average Co-Inventor Count = 1.73

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.

Forward Citations = 111

Masashi ItohMamoru Soga (2 patents)Masashi ItohMasaichiro Tatekawa (2 patents)Masashi ItohHidekazu Arase (2 patents)Masashi ItohShigeru Kusakata (2 patents)Masashi ItohTsutomu Matsuda (2 patents)Masashi ItohShuichi Obata (1 patent)Masashi ItohAkira Kagata (1 patent)Masashi ItohKazuhiro Machida (1 patent)Masashi ItohYasutaka Koga (1 patent)Masashi ItohKazuo Teramae (1 patent)Masashi ItohAsako Toyoda (1 patent)Masashi ItohKatsuhiko Morita (1 patent)Masashi ItohKaoru Okayama (1 patent)Masashi ItohMasatoyo Kubo (1 patent)Masashi ItohMasashi Itoh (10 patents)Mamoru SogaMamoru Soga (86 patents)Masaichiro TatekawaMasaichiro Tatekawa (37 patents)Hidekazu AraseHidekazu Arase (34 patents)Shigeru KusakataShigeru Kusakata (15 patents)Tsutomu MatsudaTsutomu Matsuda (15 patents)Shuichi ObataShuichi Obata (11 patents)Akira KagataAkira Kagata (6 patents)Kazuhiro MachidaKazuhiro Machida (5 patents)Yasutaka KogaYasutaka Koga (4 patents)Kazuo TeramaeKazuo Teramae (3 patents)Asako ToyodaAsako Toyoda (2 patents)Katsuhiko MoritaKatsuhiko Morita (2 patents)Kaoru OkayamaKaoru Okayama (1 patent)Masatoyo KuboMasatoyo Kubo (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Matsushita Electric Industrial Co., Ltd. (7 from 27,375 patents)

2. Ricoh Company, Ltd. (4 from 28,546 patents)

3. Eisai R&d Management Co., Ltd. (1 from 527 patents)

4. Micro Biopharm Japan Co., Ltd. (1 from 10 patents)


10 patents:

1. 8512995 - DNA encoding polypeptide involved in biosynthesis of herboxidiene

2. 7378458 - Method for preparing ink, ink cartridge and ink-jet recording apparatus

3. 7368007 - Ink-jet recording ink, image forming method, ink-jet recording apparatus and imaged article

4. 6287140 - Apparatus and method for maintaining continuous power supply to an electronic mobile instrument while replacing a drained battery

5. 5703626 - Portable electric apparatus using a pen member for inputting information

6. 4383310 - Pickup cartridge of movable magnet type

7. 4353125 - Electromagnetic pickup cartridge

8. 4352176 - Electromagnetic pickup cartridge

9. 4140886 - Magnetic type pickup cartridge block shaped pole piece construction

10. 3975025 - Pickup cartridge

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as of
12/10/2025
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