Growing community of inventors

Tokyo, Japan

Koichiro Ishiwara

Average Co-Inventor Count = 2.32

ph-index = 6

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 = 654

Koichiro IshiwaraShuichi Takayama (2 patents)Koichiro IshiwaraHiroaki Kubokawa (2 patents)Koichiro IshiwaraMasaaki Hayashi (1 patent)Koichiro IshiwaraShinji Hatta (1 patent)Koichiro IshiwaraKenji Noda (1 patent)Koichiro IshiwaraNaomi Sekino (1 patent)Koichiro IshiwaraNaoki Uchiyama (1 patent)Koichiro IshiwaraTsuyoshi Tsukagoshi (1 patent)Koichiro IshiwaraSeiji Iwasaki (1 patent)Koichiro IshiwaraEiichi Fuse (1 patent)Koichiro IshiwaraMakoto Inaba (1 patent)Koichiro IshiwaraKoji Fujio (1 patent)Koichiro IshiwaraKoji Koda (1 patent)Koichiro IshiwaraMasashi Abe (1 patent)Koichiro IshiwaraMutsumi Yoshikawa (1 patent)Koichiro IshiwaraMotoyuki Tagawa (1 patent)Koichiro IshiwaraKoichiro Ishiwara (6 patents)Shuichi TakayamaShuichi Takayama (24 patents)Hiroaki KubokawaHiroaki Kubokawa (12 patents)Masaaki HayashiMasaaki Hayashi (48 patents)Shinji HattaShinji Hatta (30 patents)Kenji NodaKenji Noda (25 patents)Naomi SekinoNaomi Sekino (22 patents)Naoki UchiyamaNaoki Uchiyama (17 patents)Tsuyoshi TsukagoshiTsuyoshi Tsukagoshi (16 patents)Seiji IwasakiSeiji Iwasaki (15 patents)Eiichi FuseEiichi Fuse (12 patents)Makoto InabaMakoto Inaba (11 patents)Koji FujioKoji Fujio (8 patents)Koji KodaKoji Koda (7 patents)Masashi AbeMasashi Abe (6 patents)Mutsumi YoshikawaMutsumi Yoshikawa (4 patents)Motoyuki TagawaMotoyuki Tagawa (4 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Olympus Optical Company, Ltd. (6 from 5,729 patents)


6 patents:

1. 5273027 - Method for dissolving a thickened mass within a living body and

2. 5106360 - Thermotherapeutic apparatus

3. 5088492 - Radioactive ray detecting endoscope

4. D277505 - Endoscope

5. D277408 - Light guide for endoscope

6. D269457 - Endoscope

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as of
12/10/2025
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